| 2 | x | ÷ | ( | x | − | 2 | ) | − | 5 | ( | 2 | − | x | ) | = | 1 |
| 方程两边同时乘以: | ( | x | − | 2 | ) |
| 2 | x | − | 5 | ( | 2 | − | x | ) | ( | x | − | 2 | ) | = | 1 | ( | x | − | 2 | ) |
| 2 | x | − | 5 | × | 2 | ( | x | − | 2 | ) | + | 5 | x | ( | x | − | 2 | ) | = | 1 | ( | x | − | 2 | ) |
| 2 | x | − | 5 | × | 2 | ( | x | − | 2 | ) | + | 5 | x | ( | x | − | 2 | ) | = | 1 | x | − | 1 | × | 2 |
| 2 | x | − | 10 | ( | x | − | 2 | ) | + | 5 | x | ( | x | − | 2 | ) | = | 1 | x | − | 2 |
| 2 | x | − | 10 | x | + | 10 | × | 2 | + | 5 | x | ( | x | − | 2 | ) | = | 1 | x | − | 2 |
| 2 | x | − | 10 | x | + | 20 | + | 5 | x | ( | x | − | 2 | ) | = | 1 | x | − | 2 |
| - | 8 | x | + | 20 | + | 5 | x | ( | x | − | 2 | ) | = | 1 | x | − | 2 |
| - | 8 | x | + | 20 | + | 5 | x | x | − | 5 | x | × | 2 | = | 1 | x | − | 2 |
| - | 8 | x | + | 20 | + | 5 | x | x | − | 10 | x | = | 1 | x | − | 2 |
| - | 18 | x | + | 20 | + | 5 | x | x | = | 1 | x | − | 2 |