| 12600 | − | 378 125 | x | = | 19 500 | × | 96 5 | x |
| 方程右边 = | 456 625 | x |
| 12600 | − | 378 125 | x | = | 456 625 | x |
| - | 378 125 | x | − | 456 625 | x | = | - | 12600 |
| - | 2346 625 | x | = | - | 12600 |
| 12600 | = | 2346 625 | x |
2346 625 | x | = | 12600 |
| x | = | 12600 | ÷ | 2346 625 |
| = | 12600 | × | 625 2346 |
| = | 2100 | × | 625 391 |
| x | = | 1312500 391 |
| x | = | 3356.777494 |