3496 25 | ( | 14557 50 | − | X | ) | = | 1551 10 | X |
| 方程左边 = | 3496 25 | × | 14557 50 | − | 3496 25 | X |
| = | 25445636 625 | − | 3496 25 | X |
25445636 625 | − | 3496 25 | X | = | 1551 10 | X |
| - | 3496 25 | X | − | 1551 10 | X | = | - | 25445636 625 |
| - | 14747 50 | X | = | - | 25445636 625 |
25445636 625 | = | 14747 50 | X |
14747 50 | X | = | 25445636 625 |
| X | = | 25445636 625 | ÷ | 14747 50 |
| = | 25445636 625 | × | 50 14747 |
| = | 25445636 25 | × | 2 14747 |
| X | = | 50891272 368675 |
| X | = | 138.038305 |