| ( | 1569 | − | X | ) | ÷ | X | = | - | 1807 10000 |
| 方程两边同时乘以: | X |
| ( | 1569 | − | X | ) | = | - | 1807 10000 | X |
| 1569 | − | X | = | - | 1807 10000 | X |
| - | X | + | 1807 10000 | X | = | - | 1569 |
| - | 8193 10000 | X | = | - | 1569 |
| 1569 | = | 8193 10000 | X |
8193 10000 | X | = | 1569 |
| X | = | 1569 | ÷ | 8193 10000 |
| = | 1569 | × | 10000 8193 |
| = | 523 | × | 10000 2731 |
| X | = | 5230000 2731 |
| X | = | 1915.049432 |