Question

How do you solve `root4(x-7)=2`?

Answer 1

`x=23`

Explanation:

Given:

`root(4)(x-7) = 2`

Raise both sides to the `4`th power to get:

`x-7 = 16`

Add `7` to both sides to find:

`x = 23`

Check:

`root(4)(23 - 7) = root(4)(16) = root(4)(2^4) = 2`