Solving a system of equations by substitution

  Рет қаралды 271,826

Brian McLogan

Brian McLogan

12 жыл бұрын

👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by substitution, we solve for one of the variables in one of the equations and then substitute for the variable in the other equation and then solve for the other variable. Next we plug in the obtained value of the other variable into the equation for the initial variable we solved for to obtain the value of the variable.
The value of the two variables obtained is the solution to the system of equations.
👏SUBSCRIBE to my channel here: kzfaq.info...
❤️Support my channel by becoming a member: / @brianmclogan
🙋‍♂️Have questions? Ask here: forms.gle/dfR9HbCu6qpWbJdo7
🎉Upcoming Livestreams: / mrbrianmclogan
Organized Videos:
✅Solve a System of Equations Algebraically
• Solve a System of Equa...
✅Solve a System of Equations Using Substitution | Easy
• Solve a System of Equa...
✅Solve a System of Equations Using Substitution | Hard
• Solve a System of Equa...
✅Solve a System of Equations Using Substitution | Learn About
• Solve a System of Equa...
✅Solve a System of Equations Using Elimination | Learn About
kzfaq.info?list...
✅Solve a System of Equations Using Elimination | Easy
• Solve a System of Equa...
✅Solve a System of Equations Using Elimination | Medium
• Solve a System of Equa...
✅Solve a System of Equations Using Elimination | Hard
• Solve a System of Equa...
✅Solve a System of Equations Word Problem
• Solve a System of Equa...
✅Solve a System of Equations With Three Variables
• Solve a System of Equa...
🗂️ Organized playlists by classes here: / mrbrianmclogan
🌐 My Website - www.freemathvideos.com
Connect with me:
⚡️Facebook - / freemathvideos
⚡️Instagram - / brianmclogan
⚡️Twitter - / mrbrianmclogan
⚡️Linkedin - / brian-mclogan-16b43623
👨‍🏫 Current Courses on Udemy: www.udemy.com/user/brianmclog...
👨‍👩‍👧‍👧 About Me: I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. Find more here: www.freemathvideos.com/about-me/
#Systemofequations #Algebraically #brianmclogan

Пікірлер: 294
@bryennel1558
@bryennel1558 6 жыл бұрын
He put 4 when he meant to put 5. 0:50
@brianmclogan
@brianmclogan 6 жыл бұрын
thank you for noticing, will pin so others are not confused
@etettamanti77
@etettamanti77 6 жыл бұрын
He did it in another video LOL he really meant 1 not 5 LOL
@rahuloq
@rahuloq 6 жыл бұрын
1 dude not 5
@bellaferrazzani
@bellaferrazzani 5 жыл бұрын
its 1 not 5 lmfao
@jocelynfreeman6196
@jocelynfreeman6196 5 жыл бұрын
@@etettamanti77 ikrrr
@selma-5449
@selma-5449 7 жыл бұрын
I wish he was my teacher
@brianmclogan
@brianmclogan 7 жыл бұрын
I am, just online : )
@dazshcheatham27
@dazshcheatham27 7 жыл бұрын
thatgurlsel Xoxo MAY YOU PLEASE HELP ME ON MY MATH ALGEBRA HOMEWORK IM REALLY STRUGGLING... I DONT KNOW HOW TO SOLVE Y FOR Y=5x-10 & Y=3x+8
@brianmclogan
@brianmclogan 7 жыл бұрын
set them equal to each other and solve for y
@rahuloq
@rahuloq 6 жыл бұрын
Dazsh Cheatham I solved it for you and the answer is 9
@josuevegaperez3181
@josuevegaperez3181 5 жыл бұрын
Me toooo I always after the lesson I have to come because I didn’t understand anything from my teacher
@H2OGT
@H2OGT 5 жыл бұрын
honestly, every single one of your students is lucky to have you as a teacher love that you can accept when you made a mistake and a student corrects you most teacher can't accept when a student corrects them so i do thank you for that
@primejaydenwasop4911
@primejaydenwasop4911 Жыл бұрын
ab+3a-7a+9ab A=4 and B=-2 whats the answer ?
@ItsKenna13
@ItsKenna13 3 ай бұрын
Exactly
@leal6178
@leal6178 6 жыл бұрын
2:50 the scream tho 😂😂😂
@brianmclogan
@brianmclogan 6 жыл бұрын
haha
@DOiTAGAiN84
@DOiTAGAiN84 5 ай бұрын
I hope this dude is making some money from these videos. His teaching style is fantastic and he deserves to get paid for helping so many people out there. Thank you, Brian McLogan. Best algebra teacher I have come across on YT as of yet. 🙏
@moonyxxstars
@moonyxxstars 4 жыл бұрын
You're a life saver! I cant fail math anymore..I just cant understand when the teacher teaches me...thanks though, this literally helps so much. Suddenly it's easy to do..
@itzpurple5060
@itzpurple5060 5 жыл бұрын
Truly an amazing teacher, its 2019 now and still my schools math curriculum sucks.
@LXO313
@LXO313 2 ай бұрын
Imagine how I feel🥲
@ambernash8994
@ambernash8994 6 жыл бұрын
i just wanted to say that your videos are very helpful! i’ve been extremely confused lately during math but now i understand it thank you so, so much!
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome!
@crystalc4253
@crystalc4253 3 жыл бұрын
i learn more in a 2 minute video than in a 2 hour math class! Thank you so much Mr. McLogan! You are a life saver!
@ari_cruz7
@ari_cruz7 3 жыл бұрын
THANK YOU! My class was reviewing this today and my teacher confused me so much but you were very clear,now I finally get it!
@PhilipKaden
@PhilipKaden 5 жыл бұрын
Thank you, I've been searching all over the internet for this and now i know how to do it
@Mellybelly6148
@Mellybelly6148 4 жыл бұрын
ty for being a better teacher than my current math teacher! you explained this so much better and clearer!
@Wifistaxx
@Wifistaxx 4 жыл бұрын
Mr McLogan, have been helping me go tru these study sessions. You sir earned a sub.
@maddyspiller59
@maddyspiller59 4 жыл бұрын
I was having trouble understanding my math homework. Saw this video and it helped soooooo much! Thank you!
@andresramirez8303
@andresramirez8303 2 жыл бұрын
THANK YOU. it’s currently 2 days before 1 semester ends and I need to submit this last unit of assignments, but I never understood. this simplified it to another level.
@Tabathuix
@Tabathuix 4 жыл бұрын
Thank you so much! I have had a hard time understanding this.
@theeverydayguys1848
@theeverydayguys1848 6 жыл бұрын
THANK YOU I really wish you were my math teacher. Then I would actually learn something
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome! I have a lot of videos, hope they help
@chad6211
@chad6211 4 жыл бұрын
Mr McLogan, loving your videos, haven't done this for 40 years! working through it with my 8th grader...
@eilly
@eilly 2 жыл бұрын
literally thank you so much!! i was struggling on my work and i needed to find a quick video to explain it, helped a ton:)
@ultimatexburst6709
@ultimatexburst6709 Жыл бұрын
Thank you so much I have this test tomorrow and I really didn't understand how to do this until I watched your video. Thank you!
@taylorrobinett4746
@taylorrobinett4746 2 жыл бұрын
You have been so helpful for me I have been getting bad grades as a good student but since I have been using your videos my grades have gotten better. Thank you so much sir!
@cristhalmencias6324
@cristhalmencias6324 6 жыл бұрын
Wow amazed of how you can explain all of this in 3 minutes while other teachers takes them the whole period (1 hr). Thank you for helping millions of kids that are struggling around the world including me!!
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome! like to keep them short
@vincentbrown1971
@vincentbrown1971 5 жыл бұрын
These are so helpful!
@dominictaylor3239
@dominictaylor3239 3 жыл бұрын
this was easier to understand than my actual teacher trying to teach me.
@500bySeptember
@500bySeptember 3 жыл бұрын
Oh my god, thank you so much. Your lessons make it surprisingly easy to understand.
@cecccEae
@cecccEae 4 жыл бұрын
Thank you so much I honestly had no idea how to do these types of problems but now i completely understand. This is good because i need to pass a test on this tomorrow.
@verylisted2243
@verylisted2243 5 жыл бұрын
Thank you! What a life saver
@cameronmckinney7404
@cameronmckinney7404 5 жыл бұрын
Thanks dude, big help.
@davidwas77
@davidwas77 5 жыл бұрын
Thanks, this really helped me! :)
@rage3288
@rage3288 Жыл бұрын
W teacher even 10 years later. Helping me prep for my Math test tomorrow.
@brianmclogan
@brianmclogan Жыл бұрын
You are very welcome!!
@han8635
@han8635 4 жыл бұрын
Thank you for the help ✊🏽
@kiladibana8286
@kiladibana8286 2 жыл бұрын
Your videos are very helpful and so grateful for that.. thank you❤
@carriehendry9369
@carriehendry9369 2 жыл бұрын
Thank'you so much! I was really struggling to grasp this, after watching this video it just clicked!!
@erickavelez5186
@erickavelez5186 Жыл бұрын
I may be a bit late in my post but this has been very helpful. I am taking Economics and algebra is used alot so this helped tackle a few things that I did not understand. Thank you, I really appreciate it!!!
@jaidel2574
@jaidel2574 3 жыл бұрын
Thank you so much for this my teacher is very good but this time he didn’t explain it very well so this clarified my understanding!
@nicholasalexander6358
@nicholasalexander6358 7 жыл бұрын
thank you so much this cleared this up for me I ended missing school for a year and a half due to issues and I've been struggling so much thank you!
@brianmclogan
@brianmclogan 7 жыл бұрын
sorry to hear about that, but very happy to be able to assist you
@pedromendoza8253
@pedromendoza8253 Жыл бұрын
I saw this after a test and it helped me pass thanks a lot
@sanchitsehgal276
@sanchitsehgal276 7 жыл бұрын
Thank you so much I was so confused and lost you cleared this up thank you
@brianmclogan
@brianmclogan 7 жыл бұрын
you are very welcome!
@masondanerd2042
@masondanerd2042 2 жыл бұрын
Thanks this helped me a lot I was confused but now I understand the concept. Thanks
@yoboymadden8488
@yoboymadden8488 3 жыл бұрын
Thank you so much man you helped me get prepared for my finals ❤️
@independentlevels1443
@independentlevels1443 3 жыл бұрын
Your videos are really helpful
@preciousx344
@preciousx344 6 жыл бұрын
OMG THANK YOU SO MUCH! I HAVE BEEN SEARCHING VIDEO AFTER VIDEO, TO LEARN HOW TO DO MY HOMEWORK, AUGHHHHH YOU SAVED MY LIFE! THANK YOU!!!!!
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome! happy to be able to help you out!
@crashvevo5279
@crashvevo5279 6 жыл бұрын
thanks so much just studying for a test on substituion.this saved my life lol
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to be able to help you out!
@xslenderv2154
@xslenderv2154 4 жыл бұрын
THX FOR THE HELP
@asaelalamilla8086
@asaelalamilla8086 5 жыл бұрын
thank you helps me so much study or my finals
@gogan95242
@gogan95242 Жыл бұрын
I really appreciate this video! My son is in 8th grade and I am so out of touch with math. Your video gave me a good refresher and I was able to help him. I’m almost certain this is not the method his teacher is using (common core :/), but he got his homework done. Thanks for the video! Also, this is the first comment I have ever made on a KZfaq video, so proof of how much I really appreciate it!
@brianmclogan
@brianmclogan Жыл бұрын
So happy the video could help your son and you make a comment 🤣👏
@giomunoz4366
@giomunoz4366 4 жыл бұрын
Is anyone else doing this in 8th grade, we did this way back in December and I don’t even remember but this video helped😂
@dilly2023
@dilly2023 4 жыл бұрын
Thank you so much. I was stuck
@princess15292
@princess15292 6 жыл бұрын
I'm in college and I'm taking a basic algebra course and you did a good job explaining how to solve using substitution.
@brianmclogan
@brianmclogan 6 жыл бұрын
thank you! happy to be able to help
@truezeonic3617
@truezeonic3617 4 жыл бұрын
Thank you I have a algerba test and this includes it thank you. Because I knew it then I almost forgot about this.
@shaneking4975
@shaneking4975 4 жыл бұрын
I have a feeling this won't be the first time i'm stopping in at your channel..
@infernodragon8966
@infernodragon8966 3 жыл бұрын
THANK YOU SO MUCH!!! YOU SAVED ME FROM FAILING AN ASSIGNMENT!
@cristianguevara3735
@cristianguevara3735 7 жыл бұрын
Really Helpful,thank U
@brianmclogan
@brianmclogan 7 жыл бұрын
you are very welcome!
@diedhc7315
@diedhc7315 7 жыл бұрын
Thank you so much!
@brianmclogan
@brianmclogan 7 жыл бұрын
you are very welcome!
@rauendoza3599
@rauendoza3599 6 жыл бұрын
Thank you for making these videos.
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome!
@tylerthomaspk3021
@tylerthomaspk3021 6 жыл бұрын
YOU SAVED MY GRADE😍😍🤩🤩thank you!!!
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to be able to help
@JayLongProductions
@JayLongProductions 3 жыл бұрын
Holy crap, I know everyone is saying this but you seriously helped. I didn’t know one thing about this so I watched this video, now I almost completely understand it.
@urban1636
@urban1636 2 жыл бұрын
Bro thank you so much you just taught me something my teacher didn’t teach me
@fakename2490
@fakename2490 2 жыл бұрын
This is so helpful
@eric3617
@eric3617 4 жыл бұрын
Thank you so much
@nabtah1153
@nabtah1153 7 жыл бұрын
Holy..... Thank you soo much my guy!
@brianmclogan
@brianmclogan 7 жыл бұрын
you are very welcome!
@iwilldefeatiwilldefeatallj9132
@iwilldefeatiwilldefeatallj9132 3 жыл бұрын
I have a chance of passing my eog now. Thank you.
@someperson2067
@someperson2067 4 жыл бұрын
Thank you
@andrewmartinez84
@andrewmartinez84 6 жыл бұрын
Helped me help my son with his homework. Thank you!
@brianmclogan
@brianmclogan 6 жыл бұрын
you are welcome!
@imcoolheheheh185
@imcoolheheheh185 6 жыл бұрын
Thanks this helped me a lot
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome!
@justanopinionpage1703
@justanopinionpage1703 6 жыл бұрын
hopefully you still will teach online for a long time! my time for calculus is coming soon
@brianmclogan
@brianmclogan 6 жыл бұрын
no plan on stopping just yet
@justanopinionpage1703
@justanopinionpage1703 6 жыл бұрын
Brian McLogan you totally will help me get through meteorology 😂 thank you for your videos!
@katsuki1137
@katsuki1137 3 жыл бұрын
Yo he’s been helping me since elementary school bro He’s the real mvp 😁
@lizgreene52
@lizgreene52 4 жыл бұрын
you have these beautiful graphics as title pages for your videos, but then the video consists of someone writing on the board. I would like a video with clear crisp graphics of the process, and good sound, which helps students learn
@waddles______2718
@waddles______2718 3 жыл бұрын
It took my teacher a whole month to teach us this and I still didn’t get it,but it took you 2:53 to teach it and I finally understood this concept.
@smokeywalker8771
@smokeywalker8771 3 жыл бұрын
this is the exact question I have to learn this for
@dewisoetanto
@dewisoetanto 4 жыл бұрын
I need a teacher like him
@faxalen5485
@faxalen5485 6 жыл бұрын
if only i had this teacher mayben the i could learn stuff
@brianmclogan
@brianmclogan 6 жыл бұрын
you still can!
@That_Dude_Kenji
@That_Dude_Kenji 6 жыл бұрын
HELPFUL
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to hear
@hmm6938
@hmm6938 7 жыл бұрын
this helped me so much. it's straight to the concept so no confusion was made during the process of showing how to solve it, which really helped me. I was struggling to focus today during math -since I don't get much shuteye- so I couldn't really understand it but after watching this I did. Thanks so much :'D
@brianmclogan
@brianmclogan 7 жыл бұрын
you are very welcome!
@striderlife5010
@striderlife5010 6 жыл бұрын
The problems I'm working on are 2 step equations this was the first step which was tremendously helpful but I'm a little stumped on the 2 step now. Could you possibly do a tutorial on that?
@brianmclogan
@brianmclogan 6 жыл бұрын
just solve two step equations, not systems like this video?
@striderlife5010
@striderlife5010 6 жыл бұрын
Brian McLogan It would be finding the X for the next step I believe
@gabbielogan9271
@gabbielogan9271 3 жыл бұрын
This literally helped me so much not even joking😂 Edit: okay so I did this method and I got every question wrong- idk what I did
@EduardoOrz12
@EduardoOrz12 3 жыл бұрын
I had a different question but this still helped
@baconjam7140
@baconjam7140 2 жыл бұрын
thanks for not letting me miss my home work
@drcreepercraft484
@drcreepercraft484 6 жыл бұрын
Really helpful thanks
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome!
@amilcarromero4656
@amilcarromero4656 2 жыл бұрын
Thank you very much
@brianmclogan
@brianmclogan 2 жыл бұрын
You are very welcome
@avam4363
@avam4363 3 жыл бұрын
hello i really hope you see this, if you do, could you explain what to do if one of the equations is y = a single number?
@cadehuber5109
@cadehuber5109 6 жыл бұрын
THANK YOU
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to be able to help!
@lalacatio
@lalacatio 3 жыл бұрын
Really helpful😁😁🙌🙌
@videosv7558
@videosv7558 6 жыл бұрын
Really helpful
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to help
@nezarguermah9958
@nezarguermah9958 6 жыл бұрын
SOOO HELPFUL SKSKS
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to help!
@jackdocherty6645
@jackdocherty6645 6 жыл бұрын
You’re the best dude
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to be able to help
@aaronlee7757
@aaronlee7757 6 жыл бұрын
Mr. Mclogan = Makes math easier
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to help Aaron
@juanhermosillo2647
@juanhermosillo2647 4 жыл бұрын
You saved our lives
@alex_woodz
@alex_woodz 4 ай бұрын
Wish this dude was my teacher his students r rlly lucky
@braydenlong3785
@braydenlong3785 3 жыл бұрын
This dudes a G.O.A.T
@harryl4576
@harryl4576 3 жыл бұрын
thx bruh
@phebebofay4538
@phebebofay4538 4 жыл бұрын
You are amazing 💞💞💞💞
@brotherc8993
@brotherc8993 3 жыл бұрын
Man coming in clutch during online class. My teacher has been teaching for 40 years and he doesn’t give a fuck.
@javonbridges3968
@javonbridges3968 3 жыл бұрын
This man just saved me from failing math
@Jonas.Frazier
@Jonas.Frazier 5 жыл бұрын
What grade are you teaching in this?
@garyunknown2731
@garyunknown2731 7 жыл бұрын
thank this was really helpful
@brianmclogan
@brianmclogan 7 жыл бұрын
happy to help
@Sara-xb5jr
@Sara-xb5jr 6 жыл бұрын
Saved my life
@brianmclogan
@brianmclogan 6 жыл бұрын
happy to help
@GameOver-xp3do
@GameOver-xp3do 6 жыл бұрын
He looks like randy orten wwe
@krustykrabunfairmrkrabsisi6487
@krustykrabunfairmrkrabsisi6487 5 жыл бұрын
Do we look at the same wrestlers because I can’t see it, but I’m also the derp who watches attitude era so idk
@cassandragilbert4983
@cassandragilbert4983 5 жыл бұрын
A lot like him u never no if its him lol
@GameOver-xp3do
@GameOver-xp3do 3 жыл бұрын
@devineおは maybe lol 😂😂
@GameOver-xp3do
@GameOver-xp3do 3 жыл бұрын
I wrote this comment when i was in grade 9 I can’t even remember 😂😂😂😂😂😂
@tsushhdhd2269
@tsushhdhd2269 2 жыл бұрын
what if one of the y variables were more than 1, foresay 2 how would it work
@sigrp3198
@sigrp3198 6 жыл бұрын
Thank you soo much! this helped me ALOT
@brianmclogan
@brianmclogan 6 жыл бұрын
you are very welcome!
Learn to solve a system by substitution
11:10
Brian McLogan
Рет қаралды 245 М.
DAD LEFT HIS OLD SOCKS ON THE COUCH…😱😂
00:24
JULI_PROETO
Рет қаралды 16 МЛН
Fast and Furious: New Zealand 🚗
00:29
How Ridiculous
Рет қаралды 41 МЛН
Red❤️+Green💚=
00:38
ISSEI / いっせい
Рет қаралды 85 МЛН
Solve a System by Graphing, Substitution, Elimination
13:48
Brian McLogan
Рет қаралды 60 М.
Solving simultaneous equations by substitution
5:19
Whiteboard Maths
Рет қаралды 446 М.
Using Elimination to Solve Systems
9:22
Brian McLogan
Рет қаралды 1,9 МЛН
Solving Systems of Equations... Substitution Method (NancyPi)
18:30
Master Solving a Linear System of Equations by Elimination
17:37
Math and Science
Рет қаралды 5 М.
Solving Systems of Equations... Elimination Method (NancyPi)
19:44
Math Teacher Shows TOP 10 MISTAKES students make
18:43
JensenMath
Рет қаралды 561 М.
Learn the Basics for Solving a System of Equations by Elimination
7:10
Why you didn't learn tetration in school[Tetration]
6:23
Prime Newtons
Рет қаралды 3,9 МЛН
DAD LEFT HIS OLD SOCKS ON THE COUCH…😱😂
00:24
JULI_PROETO
Рет қаралды 16 МЛН