Question

What is the value of y in the solution set of the system of linear equations shown below?

y=-x+12
4x-2y=36

A. 10
B. 8
C. 6
D. 2***

I think its D but Im not sure, help?

Answer 1

4 x - 2 (-x+12) = 36
4x + 2x -24 = 36
6 x = 60
x = 10
y = -10+12 = 2 sure enough

Answer 2

Thank you!