√(x) +9=12

Question

`√(x) +9=12`

Answer 1

x=9

Explanation:

Given:

`√(x) +9=12`

subtract 9 from both sides

`√(x) =3`

square both sides to get rid of the square root

`√(x)^(2) =3^(2) \\`

simplify

x=9

Hope this helps! :)