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isackowvalery
@isackowvalery
July 2022
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решите систему уравнений
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orion8105
X+2y=15 *(1)
2x-y=0 *(2)
решим методом сложения
x+2y=15
+
4x-2y=0
_________
5x=15
x=3 подставим во второе уравнение
х=3
2*3-y=0 решим его отдельно
2*3-у=0
y=6
х=3
у=6
Ответ:(3;6)
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Answers & Comments
2x-y=0 *(2)
решим методом сложения
x+2y=15
+
4x-2y=0
_________
5x=15
x=3 подставим во второе уравнение
х=3
2*3-y=0 решим его отдельно
2*3-у=0
y=6
х=3
у=6
Ответ:(3;6)