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yarik951
@yarik951
October 2021
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Номер 1:).......................
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mmb1
Verified answer
3x-y=7
2x+3y=1
выражаем y из первого и подставляем во второе y=3x-7
2x+3(3x-7)=1
2x+9x-21=1
11x=22
x=2
y=6-7=-1
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Answers & Comments
Verified answer
3x-y=72x+3y=1
выражаем y из первого и подставляем во второе y=3x-7
2x+3(3x-7)=1
2x+9x-21=1
11x=22
x=2
y=6-7=-1