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Namaser345
@Namaser345
July 2022
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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
-----------
(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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Answers & Comments
3-3х-5х-10=1-4х
-3х-5х+4х=1-3+10
-4х=8
4х=-8
х=-2
-----------
(2+х)*2+(4х-1)*3=10х-7
4+2х+12х-3=10х-7
2х+12х-10х=3-4-7
4х=-8
х=-2