| 8x - 81 = -x - 9 x = 8 | 6x - 16 = 4x - 2 x = 7 |
| 2x - 10 = 4x - 12 x = 1 | 5x + 9 = 4x + 13 x = 4 |
| 6x - 6 = 7x - 2 x = -4 | 8x + 10 = 6x + 18 x = 4 |
| 4x + 7 = 7x - 8 x = 5 | 8x + 9 = -7x + 114 x = 7 |
| -3x + 106 = 8x - 4 x = 10 | 3x - 7 = x - 27 x = -10 |
| -x + 12 = 6x - 2 x = 2 | 2x + 6 = 6x - 6 x = 3 |
| 3x - 41 = -9x - 5 x = 3 | 8x + 19 = 7x + 9 x = -10 |
| 2x + 2 = 3x - 2 x = 4 | 5x + 13 = 7x - 5 x = 9 |
| 2x + 8 = -10x + 80 x = 6 | 3x - 42 = -2x - 2 x = 8 |
| 9x - 38 = 5x - 2 x = 9 | 10x + 10 = 2x - 70 x = -10 |