| x | + | 1 | ÷ | ( | 1 | − | x | ) | + | ( | x | − | 1 | ) | ÷ | x | = | 16 | ÷ | 9 |
| 方程两边同时乘以: | ( | 1 | − | x | ) |
| x | ( | 1 | − | x | ) | + | 1 | + | ( | x | − | 1 | ) | ÷ | x | × | ( | 1 | − | x | ) | = | 16 | ÷ | 9 | × | ( | 1 | − | x | ) |
| x | × | 1 | − | x | x | + | 1 | + | ( | x | − | 1 | ) | ÷ | x | × | ( | 1 | − | x | ) | = | 16 | ÷ | 9 | × | ( | 1 | − | x | ) |
| x | × | 1 | − | x | x | + | 1 | + | ( | x | − | 1 | ) | ÷ | x | × | ( | 1 | − | x | ) | = | 16 | ÷ | 9 | × | 1 | − | 16 | ÷ | 9 | × | x |
| x | × | 1 | − | x | x | + | 1 | + | ( | x | − | 1 | ) | ÷ | x | × | ( | 1 | − | x | ) | = | 16 9 | − | 16 9 | x |
| 方程两边同时乘以: | x |
| 1 | x | x | − | x | x | x | + | 1 | x | + | ( | x | − | 1 | ) | ( | 1 | − | x | ) | = | 16 9 | x | − | 16 9 | x | x |
| 1 | x | x | − | x | x | x | + | 1 | x | + | x | ( | 1 | − | x | ) | − | 1 | ( | 1 | − | x | ) | = | 16 9 | x | − | 16 9 | x | x |
| 1 | x | x | − | x | x | x | + | 1 | x | + | x | × | 1 | − | x | x | = | 16 9 | x | − | 16 9 | x | x |
| 1 | x | x | − | x | x | x | + | 2 | x | − | x | x | − | 1 | ( | 1 | − | x | ) | = | 16 9 | x | − | 16 9 | x | x |
| 1 | x | x | − | x | x | x | + | 2 | x | − | x | x | − | 1 | × | 1 | = | 16 9 | x | − | 16 9 | x | x |
| 1 | x | x | − | x | x | x | + | 2 | x | − | x | x | − | 1 | + | 1 | = | 16 9 | x | − | 16 9 | x | x |
| 1 | x | x | − | x | x | x | + | 3 | x | − | x | x | − | 1 | = | 16 9 | x | − | 16 9 | x | x |