16492 5 | = | ( | 43 | − | x | ) | × | 649 5 | + | 349 5 | x |
| 方程右边 = | 43 | × | 649 5 | − | x | × | 649 5 | + | 349 5 | x |
| = | 27907 5 | − | x | × | 649 5 | + | 349 5 | x |
| = | 27907 5 | − | 60 | x |
16492 5 | = | 27907 5 | − | 60 | x |
| 60 | x | = | 27907 5 | − | 16492 5 |
| 60 | x | = | 2283 |
| x | = | 2283 | ÷ | 60 |
| = | 2283 | × | 1 60 |
| = | 761 | × | 1 20 |
| x | = | 761 20 |
| x | = | 38.05 |