| 18212762 | ( | 1 | − | x | ) | = | 8522865 |
| 方程左边 = | 18212762 | × | 1 | − | 18212762 | x |
| = | 18212762 | − | 18212762 | x |
| 18212762 | − | 18212762 | x | = | 8522865 |
| - | 18212762 | x | = | 8522865 | − | 18212762 |
| - | 18212762 | x | = | - | 9689897 |
| 9689897 | = | 18212762 | x |
| 18212762 | x | = | 9689897 |
| x | = | 9689897 | ÷ | 18212762 |
| = | 9689897 | × | 1 18212762 |
| x | = | 9689897 18212762 |
| x | = | 0.532039 |