Question

Use elimination to solve the system. What is the value of x? 4x + 7y = -14 and 8x + 5y = 8

3.5
-1.5
8
-4

Use elimination to solve the system. What is the value of y?
3x + 5y = 16 and 8x - 5y =28

4
-6
0.8
5


If you could answer both of them, with the answer and how you got it, it would help my studying go a lot quicker. Thanks!

Answer 1

elimination means that you want to eliminate x or y. You will need to multiply a number to one or both equations.

Answer 2

let's get rid of the x's
we will need 8x and -8x