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krival777
@krival777
July 2022
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решите систему уравнений x-y=2 x+y=4
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ShirokovP
Verified answer
Сложим
x - y = 2
x + y = 4
--------------- +
2x = 6
x = 3
y = 4 - x = 4 - 3 = 1
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Answers & Comments
Verified answer
Сложимx - y = 2
x + y = 4
--------------- +
2x = 6
x = 3
y = 4 - x = 4 - 3 = 1