| -4x + 61 = 7x - 5 x = 6 | 3x + 53 = -6x - 10 x = -7 |
| 3x + 9 = 4x x = 9 | 5x + 1 = x + 25 x = 6 |
| 10x - 58 = -4x - 2 x = 4 | 8x - 14 = 6x - 10 x = 2 |
| 8x - 7 = 7x - 1 x = 6 | -9x - 139 = 8x - 3 x = -8 |
| 6x + 6 = 5x + 7 x = 1 | 9x - 17 = x - 1 x = 2 |
| 8x + 4 = x + 4 x = 0 | 5x + 2 = 2x + 14 x = 4 |
| 2x + 3 = 5x + 3 x = 0 | -7x + 128 = 8x - 7 x = 9 |
| 6x + 9 = 10x + 13 x = -1 | 8x - 84 = -7x - 9 x = 5 |
| x + 10 = 5x + 50 x = -10 | -10x - 7 = -4x - 7 x = 0 |
| 9x - 48 = 2x - 6 x = 6 | -9x - 35 = 8x - 1 x = -2 |