Автор - elzagadulshina

Решите срочно !!!!!!!!!!!

Ответ

Автор - dianapetushok2006

Ответ:

1. x-2/3=3x+1/7=7(х-2)=3(3х+1)

7(х-2)-3(3х+1)=7х-14-9х-3=-2х-17=-2х=17=х=-8.5

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