Предмет: Алгебра, автор: юлия1412

 срочноо ....решите уравнение 4х-7=47

Ответы

Автор ответа: Надежда013
0
ответ будет, что x= 14
перепроверь !
Автор ответа: arhimed333
0
4/х-7=4/7  *х
4-7х=4/7 х
4/7 х+7х=4
4/7 х+ 49/7 х=4
53/7 х=4
х=4/1:53/7
х=28/53
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