247 100 | X | − | 24947 5000 | = | 47 50 | × | 9 20 | X |
| 方程右边 = | 423 1000 | X |
247 100 | X | − | 24947 5000 | = | 423 1000 | X |
247 100 | X | − | 423 1000 | X | = | 24947 5000 |
2047 1000 | X | = | 24947 5000 |
| X | = | 24947 5000 | ÷ | 2047 1000 |
| = | 24947 5000 | × | 1000 2047 |
| = | 24947 5 | × | 1 2047 |
| X | = | 24947 10235 |
| X | = | 2.437421 |