| ( | 35717 | − | 5 2 | X | ) | × | 48 5 | ÷ | 103 5 | × | 9 10 | = | 12922 | + | 8 | X |
| 方程左边 = | ( | 35717 | − | 5 2 | X | ) | × | 216 515 |
| ( | 35717 | − | 5 2 | X | ) | × | 216 515 | = | 12922 | + | 8 | X |
| 方程左边 = | 35717 | × | 216 515 | − | 5 2 | X | × | 216 515 |
| = | 7714872 515 | − | 108 103 | X |
7714872 515 | − | 108 103 | X | = | 12922 | + | 8 | X |
| - | 108 103 | X | − | 8 | X | = | 12922 | − | 7714872 515 |
| - | 932 103 | X | = | 12922 | − | 7714872 515 |
| - | 932 103 | X | = | - | 1060042 515 |
1060042 515 | = | 932 103 | X |
932 103 | X | = | 1060042 515 |
| X | = | 1060042 515 | ÷ | 932 103 |
| = | 1060042 515 | × | 103 932 |
| = | 530021 515 | × | 103 466 |
| X | = | 54592163 239990 |
| X | = | 530021 2330 |
| X | = | 227.476824 |