| 60000 | − | x | − | 60000000 | − | 20000 | x | = | 0 |
| 方程左边 = | - | 59940000 | − | 20001 | x |
| - | 59940000 | − | 20001 | x | = | 0 |
| - | 20001 | x | = | 0 | + | 59940000 |
| - | 20001 | x | = | 59940000 |
| - | 59940000 | = | 20001 | x |
| 20001 | x | = | - | 59940000 |
| x | = | - | 59940000 | ÷ | 20001 |
| = | - | 59940000 | × | 1 20001 |
| = | - | 19980000 | × | 1 6667 |
| x | = | - | 19980000 6667 |
| x | = | - 2996.850157 |