Предмет: Алгебра, автор: Лапуля06102003

решите систему х+у=3 3у+3х=6

Ответы

Автор ответа: miron2077

0

х+у=3 I3
3у+3х=6

3х+3у=9
3у+3х=6 вычтем
0≠3 решений нет

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