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microden3
@microden3
August 2022
2
6
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х+4у=9
3х+7у=2\
Решите систему уравнений)
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alek48
X=9-4y
3(9-4y)+7y=2; 27-12y+7y=2; -5y=-25; y=5
x=9-4*5=-11
2 votes
Thanks 2
ChocoboyDeluxe
1-ое уравнение умножаем на 3 и вычитаем систему
x=-11
y=5
1 votes
Thanks 2
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Answers & Comments
3(9-4y)+7y=2; 27-12y+7y=2; -5y=-25; y=5
x=9-4*5=-11
x=-11
y=5