Question

-18 + y = -7. what does y equal?

Answer 1

If -18+y=-7 you subtract -18 ( or add 18) to -7 and you will get y=11

Answer 2

y is equal to 11 think of what you need to add to -18 to get -7. or think about a number line, where negative numbers go to the left and positives go to the right.