| 1 | ÷ | x | + | 1 | ÷ | ( | 1 5 | + | x | ) | = | 1 25 |
| 方程两边同时乘以: | x |
| 1 | + | 1 | ÷ | ( | 1 5 | + | x | ) | × | x | = | 1 25 | x |
| 方程两边同时乘以: | ( | 1 5 | + | x | ) |
| 1 | ( | 1 5 | + | x | ) | + | 1 | x | = | 1 25 | x | ( | 1 5 | + | x | ) |
| 1 | × | 1 5 | + | 1 | x | + | 1 | x | = | 1 25 | x | ( | 1 5 | + | x | ) |
| 1 | × | 1 5 | + | 1 | x | + | 1 | x | = | 1 25 | x | × | 1 5 | + | 1 25 | x | x |
1 5 | + | 1 | x | + | 1 | x | = | 1 125 | x | + | 1 25 | x | x |
1 5 | + | 2 | x | = | 1 125 | x | + | 1 25 | x | x |
| x1= | √62250749 √25000 |