Предмет: Математика, автор: deniscesnokov820

Пожалуйста помогите . .

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Автор ответа: utemurxadi

Ответ:

1) 3х+18=х+2х+18. 2) 16х-14=18-20+16х

3х-3х=18-18. 16х-16х=-2+14

0х=0. 0х=12

✗ ✗

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Над останнім я думаю

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