| 2 | ÷ | x | − | 1 | = | 2 | ( | 2 | ÷ | x | − | 1 | − | 6 | ) |
| 方程两边同时乘以: | x |
| 2 | − | 1 | x | = | 2 | ( | 2 | ÷ | x | − | 1 | − | 6 | ) | x |
| 2 | − | 1 | x | = | 2 | × | 2 | ÷ | x | × | x | − | 2 | × | 1 | x | − | 2 | × | 6 | x |
| 2 | − | 1 | x | = | 4 | ÷ | x | × | x | − | 2 | x | − | 12 | x |
| 2 | − | 1 | x | = | 4 | ÷ | x | × | x | − | 14 | x |
| - | 1 | x | + | 14 | x | = | 4 | ÷ | 1 | × | 1 | − | 2 |
| - | 1 | x | + | 14 | x | = | 4 | − | 2 |
| 13 | x | = | 4 | − | 2 |
| 13 | x | = | 2 |
| x | = | 2 | ÷ | 13 |
| = | 2 | × | 1 13 |
| x | = | 2 13 |
| x | = | 0.153846 |