Реши уравнения:8(-y-2)=-5y-(6-9y) -b-(b\4+3\8)=1\2+(-3b\8-0.5). Created by МарияКирсанова. matematika-ru

Реши уравнения:8(-y-2)=-5y-(6-9y) -b-(b\4+3\8)=1\2+(-3b\8-0.5)...

July 2022 1 4 Report

Реши уравнения:
8(-y-2)=-5y-(6-9y)
-b-(b\4+3\8)=1\2+(-3b\8-0.5)

Answers & Comments

CJIaBA 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

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