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Abonimation
@Abonimation
July 2022
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решите систему уравнений
3y-2x=10; 7x+5y=27
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ShirokovP
Verified answer
3y - 2x = 10 /*7
7x +
5y
= 27 /*2
21y - 14x = 70
10y + 14x = 54
============= +
31y = 124
y = 4
x = (27 - 5y)/7 = (27 - 20)/7 = 7/7 = 1
Ответ
(1; 4)
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Answers & Comments
Verified answer
3y - 2x = 10 /*77x + 5y = 27 /*2
21y - 14x = 70
10y + 14x = 54
============= +
31y = 124
y = 4
x = (27 - 5y)/7 = (27 - 20)/7 = 7/7 = 1
Ответ
(1; 4)