Question

How do you solve `4sqrt(x + 3) = 18`?

Answer 1

`x=69/4`

Explanation:

`4sqrt(x+3)=18`

`rarr(4sqrt(x+3))^2=18^2`

`rarr16(x+3)=324`

`rarr16x+48=324`

`rarr16x=324-48=276`

`rarrx=276/16=69/4`