| 1 | ÷ | 3000 | + | 1 | ÷ | x | = | 1 | ÷ | 986 25 |
| 方程两边同时乘以: | x |
| 1 | ÷ | 3000 | × | x | + | 1 | = | 1 | ÷ | 986 25 | × | x |
| 1 | ÷ | 3000 | × | x | − | 1 | ÷ | 986 25 | × | x | = | - | 1 |
1 3000 | x | − | 25 986 | x | = | - | 1 |
| - | 37007 1479000 | x | = | - | 1 |
| 1 | = | 37007 1479000 | x |
37007 1479000 | x | = | 1 |
| x | = | 1 | ÷ | 37007 1479000 |
| = | 1 | × | 1479000 37007 |
| x | = | 1479000 37007 |
| x | = | 39.965412 |