What is the first step to solving this? √(x-4)=7

Question

What is the first step to solving this?

`√(x-4)=7`

Answer 1

First step is simplifying the equation by moving the square root to the right side and changing it to a Square ²

Step by step:

x-4=7²

(because we changed side square root becomes exponent ²)

x=49+4

x=53