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ХасановаАнастасия7
@ХасановаАнастасия7
August 2022
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срооочно!!! решите уравнение!!
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yarovoe
1.Умножаем на 15:
(2х-4)·3+5·(2х-1)=15
6х-12+10х-5=15
16х=15+12+5, 16х=32,х=32/16, х=2
2.Умножаем на 15:
3(х-5)=(2х+1)·5-715
3х-15=10х+5-105, 3х-10х=-100+15,-7х=-85
х=85/7
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Answers & Comments
(2х-4)·3+5·(2х-1)=15
6х-12+10х-5=15
16х=15+12+5, 16х=32,х=32/16, х=2
2.Умножаем на 15:
3(х-5)=(2х+1)·5-715
3х-15=10х+5-105, 3х-10х=-100+15,-7х=-85
х=85/7