Question

(x-5)\10+(1-2x)\5=(3-x)\4
Mee ajudem por favor '0'

Answer 1

mmc 10,5 e 4 = 20

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