| - | 4114150 | + | 3000000 | − | 450000 | − | x | − | x | × | 10 100 | ÷ | 4 | = | 300000 |
| 方程左边 = | - | 4114150 | + | 3000000 | − | 450000 | − | x | − | x | × | 1 40 |
| = | - | 1564150 | − | 41 40 | x |
| - | 1564150 | − | 41 40 | x | = | 300000 |
| - | 41 40 | x | = | 300000 | + | 1564150 |
| - | 41 40 | x | = | 1864150 |
| - | 1864150 | = | 41 40 | x |
41 40 | x | = | - | 1864150 |
| x | = | - | 1864150 | ÷ | 41 40 |
| = | - | 1864150 | × | 40 41 |
| x | = | - | 74566000 41 |
| x | = | - 1818682.926829 |