Question

How do you solve `sqrt(y +12) = 2`?

Answer 1

`y = -8`

Explanation:

`sqrt(y+12) = 2`

Solve it step-wise by isolating `y`. First square both sides:
`y+12 = 2^2 = 4`

Then subtract `12` from both sides:
`y+12-12 = 4- 12`

Now we have the solution:
`y = -8`