Question

$5x \times \frac{4}{x + 1}$
socorro gente ​

Answer 1

Resposta:

x = 1/2 (correta)

Explicação passo-a-passo:

(2x-2)/(x-1) = (2x+4)/5x

2(x-1)/(x-1)=2.(x+2)/5x

2.1 = 2.(x+2)/5x

2/2 = (x+2)/5x

1 . 5x = x+2

5x = x + 2

5x - x = 2

4x = 2 (:2)

2x = 1

espero ter ajudado