Предмет: Алгебра, автор: bogznae201

4. Розв'язати систему рівнянь
[x+2y=10
[3x-y=9
способом пiдстановки

Ответы

Автор ответа: yourx2

1

Ответ:

на фото все є

Объяснение:

я надіюсь що все добре

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