| X | = | 785 | + | 157 10 | + | 1 100 | X | + | 448 25 | + | 1 5000 | X | + | 4093 100 | + | 1 2000 | X | + | 269 5000 | X |
| 方程右边 = | 17191 20 | + | 129 2000 | X |
| X | = | 17191 20 | + | 129 2000 | X |
| X | − | 129 2000 | X | = | 17191 20 |
1871 2000 | X | = | 17191 20 |
| X | = | 17191 20 | ÷ | 1871 2000 |
| = | 17191 20 | × | 2000 1871 |
| = | 17191 | × | 100 1871 |
| X | = | 1719100 1871 |
| X | = | 918.813469 |