Question

Equação 64/2^(-3x)=1

Answer 1

$\frac{64}{2^{-3x}}=1$

$\frac{64}{\frac{1}{2^{3x}}}=1$
$64*2^{3x}=1$
$2^{3x}=\frac{1}{64}$
$2^{3x}=2^{-6}$
$\not2^{3x}=\not2^{-6}$
$3x=-6$
$x=\frac{-6}{3}$
$x=-2$