| ( | 2000 | + | 500 | ) | ÷ | ( | 64833 50 | + | X | ) | = | 2439 1000 |
| 方程两边同时乘以: | ( | 64833 50 | + | X | ) |
| ( | 2000 | + | 500 | ) | = | 2439 1000 | ( | 64833 50 | + | X | ) |
| 2000 | + | 500 | = | 2439 1000 | ( | 64833 50 | + | X | ) |
| 2000 | + | 500 | = | 2439 1000 | × | 64833 50 | + | 2439 1000 | X |
| 2000 | + | 500 | = | 158127687 50000 | + | 2439 1000 | X |
| 2500 | = | 158127687 50000 | + | 2439 1000 | X |
| - | 2439 1000 | X | = | 158127687 50000 | − | 2500 |
| - | 2439 1000 | X | = | 33127687 50000 |
| - | 33127687 50000 | = | 2439 1000 | X |
2439 1000 | X | = | - | 33127687 50000 |
| X | = | - | 33127687 50000 | ÷ | 2439 1000 |
| = | - | 33127687 50000 | × | 1000 2439 |
| = | - | 33127687 50 | × | 1 2439 |
| X | = | - | 33127687 121950 |
| X | = | - 271.64975 |