Question

How do you solve `-4y - ( - 10) = - 90`?

Answer 1

`y=25`

Explanation:

`-4y-(-10)=-4y+10=-90 " "` you add `-10` to each side

`-4y+10-10=-90-10`

`-4y=-100 " "` divide both sides with `-4`

`y=(-100)/-4`

`y= 25`