Question

Solve for x : 2^2x+1 = 8

Answer 1

2^2x+1 = 8
⇒ 2^2x+1 = 2³
We know that if bases are equal, the powers are equal
⇒ 2x + 1 = 3
⇒ 2x = 3 - 1
⇒ 2x = 2
⇒ x = `2/2`
⇒ x = 1