Question

How do you solve `(2x+3)^(3/4) - 3 = 5`?

Answer 1

`(2x+3)^(3/4)-3 = 5`

is equivalent to
`(2x+3)^(3/4) = 8`

(take the cube root of both sides:)
`(2x+3)^(1/4) = 2`

(take both sides to the power of 4:)
`2x+3 = 16`

(simplify:)
`2x = 13`

`x= 6 1/2`