Question

Solve for all possible values of x.
VX-9+4= 8

Answer 1

`√(x-9)+4=8`

`√(x-9)=8-4`

`√(x-9)=4`

Put ^2 in both sides

`√(x-9)^2=4^2`

`x-9=16`

`x=16+9`

`x=25`