| 10493 | = | 3907 | ( | x | ÷ | 100 | − | 11 100 | ) |
| 方程右边 = | 3907 | x | ÷ | 100 | − | 3907 | × | 11 100 |
| = | 3907 100 | x | − | 42977 100 |
| 10493 | = | 3907 100 | x | − | 42977 100 |
| - | 3907 100 | x | = | - | 42977 100 | − | 10493 |
| - | 3907 100 | x | = | - | 1092277 100 |
1092277 100 | = | 3907 100 | x |
3907 100 | x | = | 1092277 100 |
| x | = | 1092277 100 | ÷ | 3907 100 |
| = | 1092277 100 | × | 100 3907 |
| = | 1092277 | × | 1 3907 |
| x | = | 1092277 3907 |
| x | = | 279.569235 |