Question

If x equals 7, then find the matching value for y.
-2x-2y=-2

Answer 1

y = -6.
-2(7)-2y=-2

-14-2y=-2

you need to move -14 to the other side by canceling out -14 with +14, and add +14 to -2, giving you -2y=12. -2/12=-6