| ( | 2 | − | x | ) | ÷ | 1 2 | = | 481 2500 | × | 2591 5000 | x | ÷ | ( | 1 | + | 2591 5000 | x | ) |
| 方程两边同时乘以: | ( | 1 | + | 2591 5000 | x | ) |
| ( | 2 | − | x | ) | ÷ | 1 2 | × | ( | 1 | + | 2591 5000 | x | ) | = | 481 2500 | × | 2591 5000 | x |
| 2 | ÷ | 1 2 | × | ( | 1 | + | 2591 5000 | x | ) | − | x | ÷ | 1 2 | × | ( | 1 | + | 2591 5000 | x | ) | = | 481 2500 | × | 2591 5000 | x |
| 4 | ( | 1 | + | 2591 5000 | x | ) | − | x | × | 2 | ( | 1 | + | 2591 5000 | x | ) | = | 1246271 12500000 | x |
| 4 | × | 1 | + | 4 | × | 2591 5000 | x | − | x | × | 2 | ( | 1 | + | 2591 5000 | x | ) | = | 1246271 12500000 | x |
| 4 | + | 2591 1250 | x | − | x | × | 2 | ( | 1 | + | 2591 5000 | x | ) | = | 1246271 12500000 | x |
| 4 | + | 2591 1250 | x | − | x | × | 2 | × | 1 | − | x | × | 2 | × | 2591 5000 | x | = | 1246271 12500000 | x |
| 4 | + | 2591 1250 | x | − | x | × | 2 | − | x | × | 2591 2500 | x | = | 1246271 12500000 | x |
| 4 | + | 91 1250 | x | − | x | × | 2591 2500 | x | = | 1246271 12500000 | x |