| ( | 36567 25 | X | ) | − | ( | 59679 50 | X | ) | − | 378 | = | 1226564841 10000 |
| 方程左边 = | 36567 25 | X | − | ( | 59679 50 | X | ) | − | 378 |
| = | 36567 25 | X | − | 59679 50 | X | − | 378 |
| = | 2691 10 | X | − | 378 |
2691 10 | X | − | 378 | = | 1226564841 10000 |
2691 10 | X | = | 1226564841 10000 | + | 378 |
2691 10 | X | = | 1230344841 10000 |
| X | = | 1230344841 10000 | ÷ | 2691 10 |
| = | 1230344841 10000 | × | 10 2691 |
| = | 410114947 1000 | × | 1 897 |
| X | = | 410114947 897000 |
| X | = | 457.207299 |