Question

resolva: (x-5)10+(1-2x)/5=(3-x)/4​

Answer 1

Resposta:

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

o mmc de 10, 5 e 4, que é 20.

2(x-5)/20 + 4(1-2x)/20 = 5(3-x)/20

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

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

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

-x = 21

x = -21