Question

Determine a solução da equação: log₂⁡(2x + 10)=2 *

Answer 1

$\Large\boxed{\begin{array}{l}\sf \log_2(2x+10)=2\\\sf 2x+10=2^2\\\sf 2x+10=4\\\sf 2x=4-10\\\sf 2x=-6\\\sf x=-\dfrac{6}{2}\\\\\sf x=-3\\\sf S=\{-3\}\end{array}}$