| - | 24 | = | X | − | ( | 21 50 | X | + | 404175 | ) |
| 方程右边 = | X | − | 21 50 | X | − | 404175 |
| = | 29 50 | X | − | 404175 |
| - | 24 | = | 29 50 | X | − | 404175 |
| - | 29 50 | X | = | - | 404175 | + | 24 |
| - | 29 50 | X | = | - | 404151 |
| 404151 | = | 29 50 | X |
29 50 | X | = | 404151 |
| X | = | 404151 | ÷ | 29 50 |
| = | 404151 | × | 50 29 |
| X | = | 20207550 29 |
| X | = | 696812.068966 |