Question

Sabendo-se que 6 elevado a 2x + 2 = 36 . 6 elevado a 3 + x, x vale:

Answer 1

6^(2x+2) = 36×6^(3+x)
6^(2x+2) = (6^2)×6^(3+x)
6^(2x+2) = 6^(2+3+x)
2x+2 = 2+3+x
2x-x = 2+3-2
x = 3