Предмет: Алгебра, автор: korallbres

Можете решить хотя бы один или два из этих номеров

Приложения:

Ответы

Автор ответа: Аскар241
1
3. x+y=12
x=3y
x+y=12. x=3y
x=12-y. 12-y=3y
x=12-3 -4y=-12
x=9 y=3
Ответ:(9;3)

korallbres: Можешь остальные задачи, которые знаешь решить
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