| ( | 54000 | − | 546 125 | X | ) | ÷ | ( | 28 | X | ) | = | 0 |
| 方程两边同时乘以: | ( | 28 | X | ) |
| ( | 54000 | − | 546 125 | X | ) | = | 0 |
| 54000 | − | 546 125 | X | = | 0 |
| - | 546 125 | X | = | 0 | − | 54000 |
| - | 546 125 | X | = | - | 54000 |
| 54000 | = | 546 125 | X |
546 125 | X | = | 54000 |
| X | = | 54000 | ÷ | 546 125 |
| = | 54000 | × | 125 546 |
| = | 9000 | × | 125 91 |
| X | = | 1125000 91 |
| X | = | 12362.637363 |