Предмет: Математика, автор: monogarova25

помогите с математикой срочно пожалуйста​

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Ответы

Автор ответа: larisaserova53
1

Ответ:

1)х+9=2

х=2-9

х=-7 ( является корнем)

2)3х=21

х=7

Из этих двух примеров в котором х=-7 является 1 пример

Пошаговое объяснение:

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