Предмет: Математика, автор: kdo96413

Решите уравнение пожалуйста​

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Ответы

Автор ответа: tatsach
0

Ответ:

Пошаговое объяснение:

1) 20х+8=20х-30+15

20х-20х=15-30-8

0х=-23

х=решений нет

2) 14х-14=14х-21+7

14х-14х=7-21+14

0х=0

х=любое число

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