Предмет: Математика, автор: pwrtsi

Хэээээлп даю 40 баллов

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Автор ответа: elen30091969

1

2х+3=50×0,5

2х+3=25

2х=25-3

2х=22

х=22÷2

х=11

Л.Н.Толстой

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