| 36000 | × | 3 100 | + | ( | x | − | 36000 | − | 60000 | ) | × | 10 100 | = | 10000 |
| 方程左边 = | 1080 | + | ( | x | − | 36000 | − | 60000 | ) | × | 10 100 |
| 1080 | + | ( | x | − | 36000 | − | 60000 | ) | × | 10 100 | = | 10000 |
| 方程左边 = | 1080 | + | x | × | 10 100 | − | 36000 | × | 10 100 | − | 60000 | × | 10 100 |
| = | 1080 | + | x | × | 10 100 | − | 3600 | − | 6000 |
| = | - | 8520 | + | 10 100 | x |
| - | 8520 | + | 10 100 | x | = | 10000 |
10 100 | x | = | 10000 | + | 8520 |
10 100 | x | = | 18520 |
| x | = | 18520 | ÷ | 10 100 |
| = | 18520 | × | 100 10 |
| = | 1852 | × | 100 |
| x | = | 185200 |