| 2 | ÷ | ( | x | − | 3 | ) | − | 3 | ÷ | x | = | 0 |
| 方程两边同时乘以: | ( | x | − | 3 | ) |
| 2 | − | 3 | ÷ | x | × | ( | x | − | 3 | ) | = | 0 |
| 2 | − | 3 | ÷ | x | × | x | + | 3 | ÷ | x | × | 3 | = | 0 |
| 2 | − | 3 | ÷ | x | × | x | + | 9 | ÷ | x | = | 0 |
| 方程两边同时乘以: | x |
| 2 | x | − | 3 | ÷ | 1 | × | 1 | x | + | 9 | = | 0 |
| 2 | x | − | 3 | ÷ | 1 | × | 1 | x | = | 0 | − | 9 |
| 2 | x | − | 3 | x | = | 0 | − | 9 |
| - | x | = | 0 | − | 9 |
| - | x | = | 0 | − | 9 |
| - | x | = | - | 9 |
| 9 | = | x |
| x | = | 9 |