| ( | 1 | − | 2 | x | ) | × | 2799 625 | = | 1 |
| 方程左边 = | 1 | × | 2799 625 | − | 2 | x | × | 2799 625 |
| = | 2799 625 | − | 5598 625 | x |
2799 625 | − | 5598 625 | x | = | 1 |
| - | 5598 625 | x | = | 1 | − | 2799 625 |
| - | 5598 625 | x | = | - | 2174 625 |
2174 625 | = | 5598 625 | x |
5598 625 | x | = | 2174 625 |
| x | = | 2174 625 | ÷ | 5598 625 |
| = | 2174 625 | × | 625 5598 |
| = | 1087 | × | 1 2799 |
| x | = | 1087 2799 |
| x | = | 0.388353 |