| 8 (2x + 4) = 4 (-10x + 50) x = 3 | 6 (-2x + 7) = 2 (4x - 9) x = 3 |
| (7x + 8) = -6 (-5x - 32) x = -8 | -9 (10x - 40) = 9 (6x + 8) x = 2 |
| 10 (4x - 4) = 9 (3x - 3) x = 1 | 8 (7x + 9) = -2 (3x + 243) x = -9 |
| 9 (6x + 3) = 9 (7x + 7) x = -4 | 9 (3x + 6) = (6x + 96) x = 2 |
| 2 (7x + 45) = -4 (-8x + 9) x = 7 | 3 (4x - 32) = -3 (7x + 10) x = 2 |
| 4 (5x - 160) = -10 (6x + 8) x = 7 | 8 (7x - 57) = -8 (6x + 5) x = 4 |
| 7 (8x - 10) = 7 (-2x + 30) x = 4 | 3 (-6x + 45) = 9 (-9x + 8) x = -1 |
| 8 (-5x + 21) = 4 (7x + 8) x = 2 | -9 (5x + 10) = 5 (2x - 18) x = 0 |
| -(-9x - 122) = 5 (5x + 2) x = 7 | (8x + 43) = 7 (2x + 7) x = -1 |
| 2 (8x + 4) = (3x + 125) x = 9 | 3 (-3x + 127) = 10 (3x + 3) x = 9 |