| 1 | ÷ | x | + | 1 | ÷ | ( | x | + | 2 | ) | = | 1 25 |
| 方程两边同时乘以: | x |
| 1 | + | 1 | ÷ | ( | x | + | 2 | ) | × | x | = | 1 25 | x |
| 方程两边同时乘以: | ( | x | + | 2 | ) |
| 1 | ( | x | + | 2 | ) | + | 1 | x | = | 1 25 | x | ( | x | + | 2 | ) |
| 1 | x | + | 1 | × | 2 | + | 1 | x | = | 1 25 | x | ( | x | + | 2 | ) |
| 1 | x | + | 1 | × | 2 | + | 1 | x | = | 1 25 | x | x | + | 1 25 | x | × | 2 |
| 1 | x | + | 2 | + | 1 | x | = | 1 25 | x | x | + | 2 25 | x |
| 2 | x | + | 2 | = | 1 25 | x | x | + | 2 25 | x |