Question

URGENTE!
(x - 5)/10 + (1 - 2x)/5 = (3-x)/4

Answer 1

[2(x - 5) + 4(1 - 2x)] / 20 = 5 (3 - x) / 20
2x - 10 + 4 - 8x = 15 - 5x
-6x - 6 = 15 - 5x
-6x + 5x = 15 + 6
-x = 21
x = -21