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Автор - ismail0089

Памаги решить математику ​

Ответ

Проверено экспертом

Автор - 99tasha

2а-9=3

2а=3+9

2а=12

а=12:2

а=6

6+3m= -10

3m= -10-6

3m= -16

m= -16/3= -5 1/3

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