Решить уравнение : 1) 3(1-x)-5(x+2)=1-4x , 2) (2+x)*2+(4x-1)*3=10x-7. Created by Namaser345. matematika-ru

Решить уравнение : 1) 3(1-x)-5(x+2)=1-4x , 2) (2+x)*2+(4x-1)*3=10x-7...

July 2022 1 13 Report

Решить уравнение : 1) 3(1-x)-5(x+2)=1-4x , 2) (2+x)*2+(4x-1)*3=10x-7

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ksenia6666 3(1-х)-5(х+2)=1-4х
3-3х-5х-10=1-4х
-3х-5х+4х=1-3+10
-4х=8
4х=-8
х=-2
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(2+х)*2+(4х-1)*3=10х-7
4+2х+12х-3=10х-7
2х+12х-10х=3-4-7
4х=-8
х=-2

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