| x | − | 22181 100 | − | ( | x | − | 22181 100 | − | 5000 | ) | × | 3 100 | = | 6300 |
| 方程左边 = | x | − | 22181 100 | − | x | × | 3 100 | + | 22181 100 | × | 3 100 | + | 5000 | × | 3 100 |
| = | x | − | 22181 100 | − | x | × | 3 100 | + | 66543 10000 | + | 150 |
| = | 97 100 | x | − | 651557 10000 |
97 100 | x | − | 651557 10000 | = | 6300 |
97 100 | x | = | 6300 | + | 651557 10000 |
97 100 | x | = | 63651557 10000 |
| x | = | 63651557 10000 | ÷ | 97 100 |
| = | 63651557 10000 | × | 100 97 |
| = | 63651557 100 | × | 1 97 |
| x | = | 63651557 9700 |
| x | = | 6562.016186 |