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VikaMazepa
@VikaMazepa
June 2022
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Решите на завтра нужно: ответы есть (-15,20)
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svetazuna
{х/3 = - у/4,{х+у=5,Из 2 уравнения:х=5-у.Подставим в 1 уравнение:(5-у)/3 = - у/4,4*(5-у) = - 3у,20 - 4у = - 3у,-4у+3у = - 20,-у = -20,у = 20.х = 5-20 = - 15.Ответ : (- 15; 20)
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