Предмет: Математика, автор: tokzhanovasylhan79

3) 16 - 9,5y = 3y + 21;решите уровнение
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Ответы

Автор ответа: yuri60125
1

Ответ:

9,5y+3y=21-16

12,5y=5

y=12,5÷5

y=2,5

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