Предмет: Математика, автор: Top27

Решите линейные уравнения
1)3х+4=7х-8
2)1х-1=7(х-1)

Ответы

Автор ответа: cuggi1

0

1)3x-7x=-8-4
-4x=-12
x=3
2)1x-1=7x-7
1x-7x=-7+1
-6x=-6
x=1

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