| 0 | = | 10000 | x | ( | 1 | − | 5 100 | ) | − | ( | 10000 | × | 60 | + | 150000 | ) |
| 方程右边 = | 10000 | x | × | 1 | − | 10000 | x | × | 5 100 | − | ( | 10000 | × | 60 | + | 150000 | ) |
| = | 10000 | x | − | 500 | x | − | ( | 10000 | × | 60 | + | 150000 | ) |
| = | 9500 | x | − | ( | 10000 | × | 60 | + | 150000 | ) |
| = | 9500 | x | − | 10000 | × | 60 | − | 150000 |
| = | 9500 | x | − | 600000 | − | 150000 |
| = | 9500 | x | − | 750000 |
| 0 | = | 9500 | x | − | 750000 |
| - | 9500 | x | = | - | 750000 | − | 0 |
| - | 9500 | x | = | - | 750000 |
| 750000 | = | 9500 | x |
| 9500 | x | = | 750000 |
| x | = | 750000 | ÷ | 9500 |
| = | 750000 | × | 1 9500 |
| = | 1500 | × | 1 19 |
| x | = | 1500 19 |
| x | = | 78.947368 |