| ( | 2 | x | − | 1 | ) | ÷ | 6 | − | ( | 5 | x | + | 1 | ) | ÷ | 8 | = | 1 |
| 方程左边 = | 2 | x | × | 1 6 | − | 1 | × | 1 6 | − | ( | 5 | x | + | 1 | ) | × | 1 8 |
| = | 1 3 | x | − | 1 6 | − | ( | 5 | x | + | 1 | ) | × | 1 8 |
| = | 1 3 | x | − | 1 6 | − | 5 | x | × | 1 8 | − | 1 | × | 1 8 |
| = | 1 3 | x | − | 1 6 | − | 5 8 | x | − | 1 8 |
| = | - | 7 24 | x | − | 7 24 |
| - | 7 24 | x | − | 7 24 | = | 1 |
| - | 7 24 | x | = | 1 | + | 7 24 |
| - | 7 24 | x | = | 31 24 |
| - | 31 24 | = | 7 24 | x |
7 24 | x | = | - | 31 24 |
| x | = | - | 31 24 | ÷ | 7 24 |
| = | - | 31 24 | × | 24 7 |
| = | - | 31 | × | 1 7 |
| x | = | - | 31 7 |
| x | = | - 4.428571 |