Question

me ajudam por favor???​

Answer 1

Resposta:

x= - 6

Explicação passo-a-passo:

$2^{x+3}=\frac{1}{8} \\\\2^{x+3}=\frac{1}{2^{3} }\\\\2^{x+3}=2^{-3} \\\\x+3=-3\\\\x=-3-3\\\\x=-6$