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Lana2201

Ответ:77/115

Объяснение:

2*(х-1/2)=3/8*(1-х/7)

2х-1=3/8-3х/56

Приводим все к знаменателю 56

112х-56=21-3х

112х+3х=21+56

115х=77

Х=77/115

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