| ( | 1670 | − | X | ) | ÷ | X | = | - | 3523 10000 |
| 方程两边同时乘以: | X |
| ( | 1670 | − | X | ) | = | - | 3523 10000 | X |
| 1670 | − | X | = | - | 3523 10000 | X |
| - | X | + | 3523 10000 | X | = | - | 1670 |
| - | 6477 10000 | X | = | - | 1670 |
| 1670 | = | 6477 10000 | X |
6477 10000 | X | = | 1670 |
| X | = | 1670 | ÷ | 6477 10000 |
| = | 1670 | × | 10000 6477 |
| X | = | 16700000 6477 |
| X | = | 2578.354176 |