| ( | 42317 1250 | − | x | ) | ÷ | 2 | = | 29 1000 |
| 方程左边 = | 42317 1250 | × | 1 2 | − | x | × | 1 2 |
| = | 42317 2500 | − | x | × | 1 2 |
42317 2500 | − | 1 2 | x | = | 29 1000 |
| - | 1 2 | x | = | 29 1000 | − | 42317 2500 |
| - | 1 2 | x | = | - | 84489 5000 |
84489 5000 | = | 1 2 | x |
1 2 | x | = | 84489 5000 |
| x | = | 84489 5000 | ÷ | 1 2 |
| = | 84489 5000 | × | 2 |
| = | 84489 2500 | × | 1 |
| x | = | 84489 2500 |
| x | = | 33.7956 |