| ( | 3700 | × | 1069 | + | 3000 | x | ) | ÷ | ( | 3700 | + | x | ) | = | 1500 |
| 方程两边同时乘以: | ( | 3700 | + | x | ) |
| ( | 3700 | × | 1069 | + | 3000 | x | ) | = | 1500 | ( | 3700 | + | x | ) |
| 3700 | × | 1069 | + | 3000 | x | = | 1500 | ( | 3700 | + | x | ) |
| 3700 | × | 1069 | + | 3000 | x | = | 1500 | × | 3700 | + | 1500 | x |
| 3955300 | + | 3000 | x | = | 5550000 | + | 1500 | x |
| 3000 | x | − | 1500 | x | = | 5550000 | − | 3955300 |
| 1500 | x | = | 5550000 | − | 3955300 |
| 1500 | x | = | 1594700 |
| x | = | 1594700 | ÷ | 1500 |
| = | 1594700 | × | 1 1500 |
| = | 15947 | × | 1 15 |
| x | = | 15947 15 |
| x | = | 1063.133333 |