| 10 (10x - 4) = 10 (6x + 20) x = 6 | 10 (x + 4) = 2 (5x + 20) x = 5 |
| -6 (5x + 9) = 6 (3x - 49) x = 5 | 4 (-x + 54) = 4 (8x + 9) x = 5 |
| -2 (3x + 7) = 4 (2x - 14) x = 3 | 7 (9x - 97) = -5 (4x + 3) x = 8 |
| -4 (-4x - 48) = 6 (7x + 6) x = 6 | 9 (-7x - 10) = 4 (7x + 23) x = -2 |
| 3 (3x + 36) = -9 (-2x - 4) x = 8 | (7x + 8) = 10 (5x - 25) x = 6 |
| -2 (8x - 90) = 2 (6x + 6) x = 6 | 4 (5x + 30) = 8 (5x - 5) x = 8 |
| (3x + 183) = 7 (9x + 9) x = 2 | 7 (10x + 2) = 6 (4x - 36) x = -5 |
| 10 (8x - 6) = 5 (8x + 20) x = 4 | 3 (-7x + 4) = 2 (-10x + 2) x = 8 |
| 4 (4x + 2) = 6 (4x - 12) x = 10 | -(9x + 3) = -(-x + 103) x = 10 |
| 3 (-4x - 28) = -6 (3x + 10) x = 4 | 10 (9x - 9) = 5 (7x - 7) x = 1 |