Question

How do you solve `y/2 + 5 = -15`?

Answer 1

`y=-20`

Explanation:

1) subtract 5 from both sides :
`=> y/2+5-5=-15-5`
`=> y/2=-20`

2) multiply both sides with 2:
`=> y/cancel2 xx cancel2 = -20xx2`
`=> y=-40`