Question

Preciso de ajuda para resolver a equação 5x/2=2x+x-2/5

Answer 1

$\frac{5x}{2} = 2x + x - \frac{2}{5}$

mmc de ( 2 e 5 ) = 10

$25x = 20x + 10x - 4$

$25x - 30x = - 4$

$- 5x = - 4$   .(-1)

$5x = 4$

$x = 4/5$