| x | + | 1 | ÷ | ( | 1 | − | x | ) | − | 1 | ÷ | x | = | 41 | ÷ | 12 |
| 方程两边同时乘以: | ( | 1 | − | x | ) |
| x | ( | 1 | − | x | ) | + | 1 | − | 1 | ÷ | x | × | ( | 1 | − | x | ) | = | 41 | ÷ | 12 | × | ( | 1 | − | x | ) |
| x | × | 1 | − | x | x | + | 1 | − | 1 | ÷ | x | × | ( | 1 | − | x | ) | = | 41 | ÷ | 12 | × | ( | 1 | − | x | ) |
| x | × | 1 | − | x | x | + | 1 | − | 1 | ÷ | x | × | ( | 1 | − | x | ) | = | 41 | ÷ | 12 | × | 1 | − | 41 | ÷ | 12 | × | x |
| x | × | 1 | − | x | x | + | 1 | − | 1 | ÷ | x | × | ( | 1 | − | x | ) | = | 41 12 | − | 41 12 | x |
| 方程两边同时乘以: | x |
| 1 | x | x | − | x | x | x | + | 1 | x | − | 1 | ( | 1 | − | x | ) | = | 41 12 | x | − | 41 12 | x | x |
| 1 | x | x | − | x | x | x | + | 1 | x | − | 1 | × | 1 | + | 1 | x | = | 41 12 | x | − | 41 12 | x | x |
| 1 | x | x | − | x | x | x | + | 1 | x | − | 1 | + | 1 | x | = | 41 12 | x | − | 41 12 | x | x |
| 1 | x | x | − | x | x | x | + | 2 | x | − | 1 | = | 41 12 | x | − | 41 12 | x | x |
| x1= | - | 1 3 |
| x2= | 3 4 |
| x3=4 |