| 7x - 45 = 4 x = 7 | -3x + 7 = -20 x = 9 |
| 2x - 8 = -2 x = 3 | 9x + 10 = 91 x = 9 |
| 8x - 22 = 10 x = 4 | 9x - 1 = -1 x = 0 |
| x + 3 = 5 x = 2 | 5x + 10 = 20 x = 2 |
| 4x + 1 = 1 x = 0 | 5x + 9 = 34 x = 5 |
| 10x - 1 = 9 x = 1 | 4x + 30 = -10 x = -10 |
| 5x + 10 = 55 x = 9 | 6x - 22 = 8 x = 5 |
| 9x + 10 = 28 x = 2 | -8x + 73 = 9 x = 8 |
| 2x + 2 = 16 x = 7 | -8x + 7 = 7 x = 0 |
| 3x + 7 = 7 x = 0 | 3x - 8 = 7 x = 5 |