36 25 | = | 16 | X | ÷ | ( | X | + | 2000 | ) |
| 方程两边同时乘以: | ( | X | + | 2000 | ) |
36 25 | ( | X | + | 2000 | ) | = | 16 | X |
36 25 | X | + | 36 25 | × | 2000 | = | 16 | X |
36 25 | X | + | 2880 | = | 16 | X |
36 25 | X | − | 16 | X | = | - | 2880 |
| - | 364 25 | X | = | - | 2880 |
| 2880 | = | 364 25 | X |
364 25 | X | = | 2880 |
| X | = | 2880 | ÷ | 364 25 |
| = | 2880 | × | 25 364 |
| = | 720 | × | 25 91 |
| X | = | 18000 91 |
| X | = | 197.802198 |