Mathematics, 14.09.2021 15:40, brooklyn4932

X - 2y + 3z= -9
2x + 5y + z = 10
3x – 6y + 9z = 12

Answers: 1

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X - 2y + 3z= -9
2x + 5y + z = 10
3x – 6y + 9z = 12...