| 1. |
3x - 9y + 7z = -21
-4x + 5y - 2z = 5
-11x + y + 12z = -53
|
|
| 2. |
-2x - 8y - 7z = 87
x + 9y - 6z = -2
-10x + 4y - 5z = 5
|
|
| 3. |
-11x + 3y + 12z = 61
-12x - 11y + 8z = 195
-10x - 6y - 2z = 134
|
|
| 4. |
3x + 4y + 9z = -51
-y - 5z = 24
-11x - 7y - 12z = 55
|
|
| 5. |
10x + 3y - z = -55
3x - 6y - 6z = 36
-6x + 2y - 9z = 106
|
|
| 6. |
4y + 11z = 85
-3x + 6y - 3z = 3
-8x - 9y - 12z = -70
|
|
| 7. |
5x + 5y - z = -360
7x - 3y - 11z = 48
4x - 10y + 5z = 100
|
|
| 8. |
-8x + 6y - 2z = 554
4x - 3y - 5z = -115
x - 8y - 7z = -178
|
|
| 9. |
4x + 4y - 5z = -479
-6x + 4y - 5z = 21
-11x - 2y - 3z = 431
|
|
| 10. |
12x - 10y + z = 705
-9x - 7y - 2z = 75
x - 10y + 5z = 663
|
|
| 11. |
-6x + 5y - 6z = 258
x + y + z = -65
12x - 9y - 8z = 432
|
|
| 12. |
-4x - 3y + 6z = -108
-11x + 12y - 7z = -458
-x + 8y - 11z = -52
|
|
| 13. |
4x - 9y - 3z = -311
-6x - 5y + 2z = 161
-10x - z = 264
|
|
| 14. |
-11x - 7y - 4z = 48
-9x + 10y - 5z = 795
8x + 2y - 12z = 518
|
|
| 15. |
-6x - 6y - 12z = 72
11x + y - 4z = -108
-9x + 10y + 2z = -408
|
|
| 16. |
-5x + 8y + 3z = 122
7x - 2y - 12z = -783
-8x - 9y - 10z = 15
|
|
| 17. |
11x - 6y - 3z = -274
4x - 5y + 7z = 145
-4x + 6y - 4z = -132
|
|
| 18. |
-x + 6y + z = -15
-2y - 4z = -68
-5x - 5y + 4z = 253
|
|
