| 5 | = | ( | 4157 500 | × | 10003 20 | ÷ | ( | x | − | 403 5 | ) | ) | − | ( | 2899 1000 | × | 1000000 | ÷ | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | ) |
| 5 | = | 4157 500 | × | 10003 20 | ÷ | ( | x | − | 403 5 | ) | − | ( | 2899 1000 | × | 1000000 | ÷ | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | ) |
| 5 | = | 41582471 10000 | ÷ | ( | x | − | 403 5 | ) | − | ( | 2899 1000 | × | 1000000 | ÷ | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | ) |
| 方程两边同时乘以: | ( | x | − | 403 5 | ) |
| 5 | ( | x | − | 403 5 | ) | = | 41582471 10000 | − | ( | 2899 1000 | × | 1000000 | ÷ | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | ) | ( | x | − | 403 5 | ) |
| 5 | x | − | 5 | × | 403 5 | = | 41582471 10000 | − | ( | 2899 1000 | × | 1000000 | ÷ | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | ) | ( | x | − | 403 5 | ) |
| 5 | x | − | 5 | × | 403 5 | = | 41582471 10000 | − | 2899 1000 | × | 1000000 | ÷ | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | × | ( | x | − | 403 5 | ) |
| 5 | x | − | 403 | = | 41582471 10000 | − | 2899000 | ÷ | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | × | ( | x | − | 403 5 | ) |
| 方程两边同时乘以: | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) |
| 5 | x | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | − | 403 | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | = | 41582471 10000 | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | − | 2899000 | ( | x | − | 403 5 | ) |
| 5 | x | × | 559 25 | x | ( | x | + | 403 5 | ) | − | 403 | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | = | 41582471 10000 | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | − | 2899000 | ( | x | − | 403 5 | ) |
| 5 | x | × | 559 25 | x | ( | x | + | 403 5 | ) | − | 403 | ( | 559 25 | x | ( | x | + | 403 5 | ) | ) | = | 41582471 10000 | × | 559 25 | x | ( | x | + | 403 5 | ) | − | 2899000 | ( | x | − | 403 5 | ) |