Edward A. answered • 04/26/18

High School Math Whiz grown up--I've even tutored my grandchildren

Alesia,

your goal is to have positive y on the left hand side.

you start with

-4y = -x - 12, as you said.

since you want positive y on the left, you need to divide both sides by (-4)

-4y/(-4) = -x/(-4) -12/(-4)

Simplifying:

y = x/4 + 12/4

Does this make it clearer?