| ( | 6000 | − | x | ) | ÷ | 10 | × | 5 | − | 10 | x | = | 2475 |
| 方程左边 = | ( | 6000 | − | x | ) | × | 1 2 | − | 10 | x |
| ( | 6000 | − | x | ) | × | 1 2 | − | 10 | x | = | 2475 |
| 方程左边 = | 6000 | × | 1 2 | − | x | × | 1 2 | − | 10 | x |
| = | 3000 | − | x | × | 1 2 | − | 10 | x |
| = | 3000 | − | 21 2 | x |
| 3000 | − | 21 2 | x | = | 2475 |
| - | 21 2 | x | = | 2475 | − | 3000 |
| - | 21 2 | x | = | - | 525 |
| 525 | = | 21 2 | x |
21 2 | x | = | 525 |
| x | = | 525 | ÷ | 21 2 |
| = | 525 | × | 2 21 |
| = | 25 | × | 2 |
| x | = | 50 |