Question

X-2/4=2/5 alguém me ajuda?

Answer 1

$x - \frac{2}{4} = \frac{2}{5}$
$x= \frac{2}{5} + \frac{2}{4}$
m.m.c. de 5 e 4 = 20
$\frac{x}{20} = \frac{2/4+2/5}{20}$
$\frac{20x}{20} = \frac{8+10}{20}$
$20x= 18$
$x = \frac{18}{20}$
$x = \frac{9}{10}$

Answer 2

TANTNDO EDITAR AQUI, MAS ACHO Q TÁ CERTO O DE CIMA AEH