Question

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

Answer 1

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

 

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

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

(-3x-3)/10=(3-x)/4

4(-3x-3)=(3-x)10

-12x-12=30-10x

-12x+10x=30+12

-2X=42

X=-42/2=-21