| ( | 358833 10000 | − | x | ) | ÷ | 2 | = | 33 1000 |
| 方程左边 = | 358833 10000 | × | 1 2 | − | x | × | 1 2 |
| = | 358833 20000 | − | x | × | 1 2 |
358833 20000 | − | 1 2 | x | = | 33 1000 |
| - | 1 2 | x | = | 33 1000 | − | 358833 20000 |
| - | 1 2 | x | = | - | 358173 20000 |
358173 20000 | = | 1 2 | x |
1 2 | x | = | 358173 20000 |
| x | = | 358173 20000 | ÷ | 1 2 |
| = | 358173 20000 | × | 2 |
| = | 358173 10000 | × | 1 |
| x | = | 358173 10000 |
| x | = | 35.8173 |