247 100 | X | − | 24947 5000 | = | 83 100 | × | 9 20 | X |
| 方程右边 = | 747 2000 | X |
247 100 | X | − | 24947 5000 | = | 747 2000 | X |
247 100 | X | − | 747 2000 | X | = | 24947 5000 |
4193 2000 | X | = | 24947 5000 |
| X | = | 24947 5000 | ÷ | 4193 2000 |
| = | 24947 5000 | × | 2000 4193 |
| = | 24947 5 | × | 2 4193 |
| X | = | 49894 20965 |
| X | = | 2.379871 |