Elimination Method - Solving Systems of Equations │Algebra
This algebra math tutorial explains how to solve systems of linear equations by elimination method. It covers a range of examples, including systems of equations involving fractions, as well as those with infinitely many solutions or no solution. It also shows how to verify/check the solution.
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#systemsofequations
#eliminationmethod
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Пікірлер: 22
Graphing method 👉 kzread.info/dash/bejne/haOKt6d8oLrRe8Y.html Substitution method 👉 kzread.info/dash/bejne/ao6uqKSpY6m2dco.html
Wow, this video was a game-changer for me! The way you explained made it crystal clear and easy to understand. Your step-by-step approach, starting from simple examples and gradually increasing the complexity, was incredibly helpful. I learned so much from each example, and by the end of the video, I felt like I had a solid understanding. It's obvious that you put a lot of effort into creating this tutorial, and it's greatly appreciated. I now feel much more confident in my ability to tackle these equations. Thank you and keep up the excellent work!
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The best i have ever seen...simplicity, clearance and neat
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Great video. Im a little slow. Can you explain c a little more for me? How come you multiple by 3 and -4? I am sorry
@gotutormaths
2 ай бұрын
We decided to eliminate the Y variable, right? The coefficient of the Y variable in the first equation is 8 and in the second equation is 6. The least common multiple of 8 and 6 is 24 (3 x 8 = 24 and 4 x 6 = 24). Therefore, we can make the coefficients of Y opposites by multiplying the first equation by 3 and the second equation by -4, or by multiplying the first equation by -3 and the second equation by 4. In both cases, the coefficients of Y become opposites, and when adding the two equations, the Y variable is eliminated. Please let me know if you need further clarification.
@sssssunyy
18 күн бұрын
@@gotutormathswhy is 4 negative though?
7:00 why did you choose second equation instead first equation? 9:28 why did you choose second equation instead first equation again? I still cant understand
@gotutormaths
19 күн бұрын
Why did you choose the second equation instead of the first equation? It is because the coefficients in the second equation are smaller numbers compared to those in the first equation. It is easier and faster to work with smaller numbers. However, you can also use the first equation and you will get the same answer. Why did you choose the second equation instead of the first equation again? It is because Y is already isolated in the second equation, so you can find it with fewer steps and save time. If you use the first equation, you will get the same answer but it will take more time as you need to do more steps.
Is it possible to solve problem D with the substitution method?
@gotutormaths
3 ай бұрын
Yes it is possible. Please check out problem B in the substitution method video kzread.info/dash/bejne/ao6uqKSpY6m2dco.html
Y= x/3 -3
Wow,fantastic ❤❤❤