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Автор - liza22280

решить систему уравнения х-2у=5 3х-у=1​

Ответ

Автор - V0i2d3i4n5a6m7i8c

Х-2у=5

Х-у=5-2

Х-у=3

3х-у=1

Х-у=1-3

Х-у=-2

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