| 1. |
-4x + 6y + 8z = 40
-3x - 7y - 2z = -61
-5x + 9y - 1z = 98
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| 2. |
-3x - 9y + 6z = -45
-8x - 1y - 5z = -14
-4x + 7y + 2z = 107
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| 3. |
-6x - 7y - 5z = 68
9x - 3y - 1z = 101
4x - 2y + 8z = -16
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| 4. |
8x - 9y - 6z = 92
-3x - 4y - 1z = -33
-2x - 7y - 5z = -9
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| 5. |
-1x - 9y - 3z = 120
2x + 6y + 8z = -124
-5x - 7y + 4z = 30
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| 6. |
-8x - 1y - 7z = 52
-6x + 5y - 4z = 12
2x - 3y + 9z = 50
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| 7. |
3x - 2y + 5z = 6
9x - 8y + 1z = 46
-6x - 4y + 7z = 27
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| 8. |
-1x - 8y - 5z = 143
-6x - 3y + 7z = -81
2x + 9y - 4z = -41
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| 9. |
-9x + 7y - 4z = 188
-3x + 2y - 1z = 56
-6x + 5y + 8z = 44
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