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metalollom
@metalollom
July 2022
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Решите систему уравнений 3x+2y=7 x-2y=-3
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Айым60743
3x+2y=7.
x-2y=-3.
3x+2y=7
x=2y-3
3(2y-3)+2y=7
6y-9+2y-7=0
8y-16=0
8y=16
y=2
x=2y-3
x=2*2-3
x=1
ответ: 1;2
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Answers & Comments
x-2y=-3.
3x+2y=7
x=2y-3
3(2y-3)+2y=7
6y-9+2y-7=0
8y-16=0
8y=16
y=2
x=2y-3
x=2*2-3
x=1
ответ: 1;2