| 50 | − | 103 100 | X | + | 20 | − | 67 50 | X | + | 35 | − | 31 50 | X | = | 2247 100 |
| 方程左边 = | 105 | − | 299 100 | X |
| 105 | − | 299 100 | X | = | 2247 100 |
| - | 299 100 | X | = | 2247 100 | − | 105 |
| - | 299 100 | X | = | - | 8253 100 |
8253 100 | = | 299 100 | X |
299 100 | X | = | 8253 100 |
| X | = | 8253 100 | ÷ | 299 100 |
| = | 8253 100 | × | 100 299 |
| = | 8253 | × | 1 299 |
| X | = | 8253 299 |
| X | = | 27.602007 |