Question

COMO RESOLVO

(8/27)^x-3=9/4

OBS: ^(ELEVADO)

Answer 1

$(\frac{8}{27})^{x-3}=\frac94\\ \\ (\frac{2^3}{3^3})^{x-3}=\frac{3^2}{2^2}\\ \\ ((\frac23)^3)^{x-3}=(\frac32)^2\\ \\ (\frac23)^{3x-9}=(\frac23)^{-2}\\ \\ 3x-9=-2\\ \\ 3x=7\\\\x=\frac73$