| -6x + 41 = 6x - 7 x = 4 | 3x - 5 = 4x - 9 x = 4 |
| 9x - 66 = x - 10 x = 7 | x - 2 = 3x - 4 x = 1 |
| 7x + 67 = -2x + 4 x = -7 | 7x - 1 = 6x + 4 x = 5 |
| -10x + 3 = -5x - 17 x = 4 | 2x + 7 = 9x + 7 x = 0 |
| 2x + 5 = 10x + 21 x = -2 | x + 10 = 9x + 10 x = 0 |
| 6x - 18 = 4x - 8 x = 5 | 10x + 3 = 9x + 6 x = 3 |
| -8x + 28 = x - 8 x = 4 | -x + 25 = 5x + 7 x = 3 |
| -8x + 134 = 9x - 2 x = 8 | 2x - 16 = x - 6 x = 10 |
| 2x + 5 = 8x - 37 x = 7 | 7x - 3 = 2x - 3 x = 0 |
| x + 19 = 5x - 9 x = 7 | 8x - 79 = -10x - 7 x = 4 |