Question

(x - 5)/10 + (1 - 2x)/5 = (3-x)/4 mmc (10,5,4) pfvvvvvvvv

Answer 1

Resposta:

×= - 21

Explicação passo-a-passo:

10 , 5 , 4 / 2

5, 5, 2/ 2

5, 5, 1/ 5

1, 1, 1

2x2x5= 20

2(x - 5) + 4( 1 - 2x )= 5 (3 - x)

2x - 10 + 4 - 8x = 15 - 5x

2x + 5x - 8x = 15 + 10 - 4

- x = 21 (-1)

X = - 21