| ( | X | − | 1023 | − | 5000 | ) | × | 3 100 | = | X | − | 609769 100 | − | 1023 |
| 方程左边 = | X | × | 3 100 | − | 1023 | × | 3 100 | − | 5000 | × | 3 100 |
| = | X | × | 3 100 | − | 3069 100 | − | 150 |
| = | 3 100 | X | − | 18069 100 |
3 100 | X | − | 18069 100 | = | X | − | 609769 100 | − | 1023 |
| 方程右边 = | X | − | 712069 100 |
3 100 | X | − | 18069 100 | = | X | − | 712069 100 |
3 100 | X | − | X | = | - | 712069 100 | + | 18069 100 |
| - | 97 100 | X | = | - | 712069 100 | + | 18069 100 |
| - | 97 100 | X | = | - | 6940 |
| 6940 | = | 97 100 | X |
97 100 | X | = | 6940 |
| X | = | 6940 | ÷ | 97 100 |
| = | 6940 | × | 100 97 |
| X | = | 694000 97 |
| X | = | 7154.639175 |