Предмет: Математика, автор: nikolavolsk

реши уравнение 12b-7•(b+4)=26-4b

Ответы

Автор ответа: няшаняша237

0

12b-7*(b+4)=26-4b
12b-7b-28=26-4b
9b=54
b=54:9
b=6

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" 6
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