Question

81^x-2=raiz quarta de 27

Answer 1

$81^{x-2} = \sqrt[4]{27}\\ \\ 3^{4(x-2)} = 3^{\frac{3}{4}}\\ \\ 4x-8 = \frac{3}{4}\\ \\ 4x = \frac{3}{4}+8\\ \\ 4x = \frac{35}{4}\\ \\ \boxed{x=\frac{35}{16}}$