Question

resolver pra mim pfvr​

Answer 1

Resposta:

$x = 3$

Explicação passo-a-passo:

$a) \: \: \frac{6}{10} = \frac{x}{x + 2}$

$10x = 6.(x + 2) \\ 10x = 6x + 12 \\ 10x - 6x = 12 \\ 4x = 12 \\ x = \frac{12}{4}$

$x = 3$