Solving Systems of Equations by Substitution Practice Answer
We have a couple of options: (1) we can multiple the top equation by 2, OR (2) we can multiple the top equation by -3. There are more options but that would require multiplying both equations. I am going to do option #1. However, you should get the same answer regardless which option you choose.
After multiplying the top equation by 2, we get the following equations: