3 (1-х)-5 (х+2)=1-4х (2+х)*2+(4х-1)*3=10х-7

Question

3 (1-х)-5 (х+2)=1-4х
(2+х)*2+(4х-1)*3=10х-7

Answer 1

1. 3-3х-5х-10=1-4х
-8х-8+4х=0
-4х=8
Х=-2
2. 4+2х+12х-3-10х+7=0
4х+8=0
4х=-8
Х= -8/4
Х=-2