Question

3 elevado 2-x = 1/27 ​

Answer 1

Resposta:

$3^{(2-x)} = \frac{1}{27}\\ \\3^{(2-x)} = 27^{-1}\\\\3^{(2-x)} = (3^3)^{-1}\\\\3^{(2-x)} = (3)^{3.(-1)}\\\\3^{(2-x)} = 3^{-3}\\\\2 - x = -3\\\\2 + 3 = x\\\\5 = x$