7x + 5 = 3x + 21 x = 4 | 6x - 23 = 2x - 7 x = 4 |
4x - 5 = 7x + 7 x = -4 | 9x + 29 = 5x - 3 x = -8 |
6x + 7 = 9x - 11 x = 6 | -6x + 3 = 3x - 87 x = 10 |
8x + 10 = 7x x = -10 | 8x + 10 = 3x + 55 x = 9 |
5x + 10 = 2x + 28 x = 6 | 8x - 3 = 6x + 7 x = 5 |
-6x - 9 = 3x - 90 x = 9 | -10x + 17 = -x - 1 x = 2 |
7x - 13 = 3x - 5 x = 2 | 9x - 49 = 5x - 9 x = 10 |
-3x + 18 = 4x - 3 x = 3 | -4x + 5 = 7x - 6 x = 1 |
3x + 8 = 6x - 10 x = 6 | 9x + 10 = -x + 100 x = 9 |
8x + 2 = 2x + 62 x = 10 | 10x + 9 = 3x + 16 x = 1 |