| 220 | = | 1052 | ( | 11 100 | + | x | ÷ | 100 | ) |
| 方程右边 = | 1052 | × | 11 100 | + | 1052 | x | ÷ | 100 |
| = | 2893 25 | + | 263 25 | x |
| 220 | = | 2893 25 | + | 263 25 | x |
| - | 263 25 | x | = | 2893 25 | − | 220 |
| - | 263 25 | x | = | - | 2607 25 |
2607 25 | = | 263 25 | x |
263 25 | x | = | 2607 25 |
| x | = | 2607 25 | ÷ | 263 25 |
| = | 2607 25 | × | 25 263 |
| = | 2607 | × | 1 263 |
| x | = | 2607 263 |
| x | = | 9.912548 |