3x-2y equals 42 2x-y equals 26?

Answer 1

to get these to cancel multiply the bottom line by -2 to give

3x-2y=42

-4x+2y=-52

cancel the Y's and you get -x = -10 so x=10

substitute back into the original equation to get 2(10) - y = 26

so rearrange -y = 26- 20

-y = 6

y = -6