Question

me ajudem por favor​

Answer 1

Explicação passo-a-passo:

$3.2^{x} .2^{4}= 768\\\\3.2^{x} .16=768\\\\48.2^{x}=768\\\\ 2^{x}=\dfrac{768}{48} \\\\2^{x}=16\\\\2^{x}=2^{4}$

Igualando os expoentes:

$x=4\\\\\boxed{S=\{4\}}$