Question

Реши уравнения:
8(-y-2)=-5y-(6-9y)
-b-(b4+38)=12+(-3b8-0.5)

Answer 1

1) -8y-16=5y-6+9y
-8y-5y-9y=16-6
-22y=16
y=-16/22
y=-8/11

2)-b-b/4-3/8=1/2-3b/8-1/2
-b-b/4+3b/8=3/8-1/2
-b-2b/8+3b/8=3/8-4/8
-b+b/8=-1/8
-7b/8=-1/8
7b=1
b=1/7