Предмет: Алгебра, автор: Марк132004

Решите систему уравнений: х-у равно 3 ; 3х + 2у равно 1, а дальше их обьединяет фигурная скобка

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Ответы

Автор ответа: заец93

(-3х+3у=-9
(3х+2у=1
(5у=-8
(х-у=3
(у=-1.6
(3х-3.2=1
(у=-1.6
(х=-1.4

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