Mathematics, 14.10.2020 14:01, scastillo8

4x + y + 8z = 4
-2x + 4y + 5z = -1
-x - 9y + z = 4

Answers: 1

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4x + y + 8z = 4
-2x + 4y + 5z = -1
-x - 9y + z = 4...