| ( | 25 | X | − | 2303 25 | ) | ( | 1 | ÷ | 113 100 | ) | × | 25 | = | 188 | ( | 1 | ÷ | 113 100 | ) |
| 方程左边 = | 25 | X | ( | 1 | ÷ | 113 100 | ) | × | 25 | − | 2303 25 | ( | 1 | ÷ | 113 100 | ) | × | 25 |
| = | 625 | X | ( | 1 | ÷ | 113 100 | ) | − | 2303 | ( | 1 | ÷ | 113 100 | ) |
| = | 625 | X | × | 1 | ÷ | 113 100 | − | 2303 | ( | 1 | ÷ | 113 100 | ) |
| = | 62500 113 | X | − | 2303 | ( | 1 | ÷ | 113 100 | ) |
| = | 62500 113 | X | − | 2303 | × | 1 | ÷ | 113 100 |
| = | 62500 113 | X | − | 230300 113 |
62500 113 | X | − | 230300 113 | = | 188 | ( | 1 | ÷ | 113 100 | ) |
| 方程右边 = | 188 | × | 1 | ÷ | 113 100 |
| = | 18800 113 |
62500 113 | X | − | 230300 113 | = | 18800 113 |
62500 113 | X | = | 18800 113 | + | 230300 113 |
62500 113 | X | = | 249100 113 |
| X | = | 249100 113 | ÷ | 62500 113 |
| = | 249100 113 | × | 113 62500 |
| = | 2491 113 | × | 113 625 |
| X | = | 281483 70625 |
| X | = | 2491 625 |
| X | = | 3.9856 |