Question

log3 (2x + 19) =2
$log3(2x + 19) = 2$
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Answer 1

Resposta:

$\textsf{Leia abaixo}$

Explicação passo a passo:

$\mathsf{log_3\:(2x + 19) = 2}$

$\mathsf{2x + 19 = 3^2}$

$\mathsf{2x + 19 = 9}$

$\mathsf{2x = 9 - 19}$

$\mathsf{2x = -10}$

$\boxed{\boxed{\mathsf{x = -5}}}$