| ( | 1 | ÷ | x | ) | − | ( | 1 | ÷ | 87 50 | × | x | ) | = | ( | 1 | ÷ | 57761 100 | ) | − | ( | 1 | ÷ | 14901 10 | ) |
| 1 | ÷ | x | − | ( | 1 | ÷ | 87 50 | × | x | ) | = | ( | 1 | ÷ | 57761 100 | ) | − | ( | 1 | ÷ | 14901 10 | ) |
| 1 | ÷ | x | − | ( | 1 | ÷ | 87 50 | × | x | ) | = | 1 | ÷ | 57761 100 | − | ( | 1 | ÷ | 14901 10 | ) |
| 1 | ÷ | x | − | ( | 1 | ÷ | 87 50 | × | x | ) | = | 100 57761 | − | ( | 1 | ÷ | 14901 10 | ) |
| 方程两边同时乘以: | x |
| 1 | − | ( | 1 | ÷ | 87 50 | × | x | ) | x | = | 100 57761 | x | − | ( | 1 | ÷ | 14901 10 | ) | x |
| 1 | − | 1 | ÷ | 87 50 | × | x | x | = | 100 57761 | x | − | ( | 1 | ÷ | 14901 10 | ) | x |
| 1 | − | 1 | ÷ | 87 50 | × | x | x | = | 100 57761 | x | − | 1 | ÷ | 14901 10 | × | x |
| 1 | − | 50 87 | x | x | = | 100 57761 | x | − | 10 14901 | x |
| 1 | − | 50 87 | x | x | = | 912490 860696661 | x |