Question

2) Assinale a alternativa correta: a) 5 b) 4 c) 3 d) 2

Answer 1

Oie, tudo bom?

Resposta: a) 5.

$\frac{x - 2}{x} = \frac{3}{5} \\ 5(x - 2) = 3x \\ 5x - 10 = 3x \\ 5 x- 3x = 10 \\ 2x = 10 \\ x = \frac{10}{2} \\ \boxed{ x= 5}$

Att. NLE Top Shotta