Question

exponencial 27^2x-1=9^x+1

Answer 1

27^2x-1 = 9^x+1
(3³)^2x-1 = (3²)^x+1
3^6x - 3 = 3^2x + 2
6x - 3 = 2x + 2
6x - 2x = 2 + 3
4x = 5
x = 5/4
S = {5/4}