Question

Resolva as equações:

a) log x+3/x-1=1
​

Answer 1

Resposta:

$\textsf{Leia abaixo}$

Explicação passo a passo:

$\mathsf{log\:\dfrac{x + 3}{x - 1} = 1}$

$\mathsf{log\:\dfrac{x + 3}{x - 1} = log\:10}$

$\mathsf{\dfrac{x + 3}{x - 1} = 10}$

$\mathsf{x + 3 = 10x - 10}$

$\mathsf{9x = 13}$

$\boxed{\boxed{\mathsf{x = \dfrac{13}{9}}}}$