| ( | 125 | ÷ | 100 | ) | ( | 529 5 | ÷ | ( | 125 | − | x | ) | ) | − | 1 | = | ( | 25 | − | x | ) | ÷ | 100 |
| 125 | ÷ | 100 | × | ( | 529 5 | ÷ | ( | 125 | − | x | ) | ) | − | 1 | = | ( | 25 | − | x | ) | ÷ | 100 |
| 125 | ÷ | 100 | × | ( | 529 5 | ÷ | ( | 125 | − | x | ) | ) | − | 1 | = | 25 | ÷ | 100 | − | x | ÷ | 100 |
5 4 | ( | 529 5 | ÷ | ( | 125 | − | x | ) | ) | − | 1 | = | 1 4 | − | x | × | 1 100 |
5 4 | × | 529 5 | ÷ | ( | 125 | − | x | ) | − | 1 | = | 1 4 | − | 1 100 | x |
529 4 | ÷ | ( | 125 | − | x | ) | − | 1 | = | 1 4 | − | 1 100 | x |
| 方程两边同时乘以: | ( | 125 | − | x | ) |
529 4 | − | 1 | ( | 125 | − | x | ) | = | 1 4 | ( | 125 | − | x | ) | − | 1 100 | x | ( | 125 | − | x | ) |
529 4 | − | 1 | × | 125 | + | 1 | x | = | 1 4 | ( | 125 | − | x | ) | − | 1 100 | x | ( | 125 | − | x | ) |
529 4 | − | 1 | × | 125 | + | 1 | x | = | 1 4 | × | 125 | − | 1 4 | x | − | 1 100 | x | ( | 125 | − | x | ) |
529 4 | − | 125 | + | 1 | x | = | 125 4 | − | 1 4 | x | − | 1 100 | x | ( | 125 | − | x | ) |
29 4 | + | 1 | x | = | 125 4 | − | 1 4 | x | − | 1 100 | x | ( | 125 | − | x | ) |
29 4 | + | 1 | x | = | 125 4 | − | 1 4 | x | − | 1 100 | x | × | 125 | + | 1 100 | x | x |
29 4 | + | 1 | x | = | 125 4 | − | 1 4 | x | − | 5 4 | x | + | 1 100 | x | x |
29 4 | + | 1 | x | = | 125 4 | − | 3 2 | x | + | 1 100 | x | x |