Предмет: Алгебра, автор: kamalianochkar

решите пожалуйста .Срочно надо .

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Автор ответа: duadna23

первое уравнение домножим на 3, второе - на 2 и вычтем из первого уравнения второе почленно. Получим 6х=-15; х=-15/6=-5/2=-2,5. Подставим в первое 4*(-2,5)-2у=-9; у=-1/2=-0,5

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