Question

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

Resposta:

21 = x

Explicação passo-a-passo:

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

mmc = 20

20*(x-5)/10 + 20*(1-2x)/5 = 20*(3-x)/4

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

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

-6x - 6 = 15 - 5x

21 = x;