| ( | 4422 | − | X | ) | ÷ | X | = | - | 529 5000 |
| 方程两边同时乘以: | X |
| ( | 4422 | − | X | ) | = | - | 529 5000 | X |
| 4422 | − | X | = | - | 529 5000 | X |
| - | X | + | 529 5000 | X | = | - | 4422 |
| - | 4471 5000 | X | = | - | 4422 |
| 4422 | = | 4471 5000 | X |
4471 5000 | X | = | 4422 |
| X | = | 4422 | ÷ | 4471 5000 |
| = | 4422 | × | 5000 4471 |
| X | = | 22110000 4471 |
| X | = | 4945.202416 |