| 12 | ÷ | 2260 | ÷ | 1000 | × | ( | x | − | 100000 | ) | + | 12 | ÷ | 1000 | ÷ | 3513 | × | ( | 100000 | − | x | ) | = | 2860 |
| 方程左边 = | 3 565000 | ( | x | − | 100000 | ) | + | 1 292750 | ( | 100000 | − | x | ) |
3 565000 | ( | x | − | 100000 | ) | + | 1 292750 | ( | 100000 | − | x | ) | = | 2860 |
| 方程左边 = | 3 565000 | x | − | 3 565000 | × | 100000 | + | 1 292750 | ( | 100000 | − | x | ) |
| = | 3 565000 | x | − | 60 113 | + | 1 292750 | ( | 100000 | − | x | ) |
| = | 3 565000 | x | − | 60 113 | + | 1 292750 | × | 100000 | − | 1 292750 | x |
| = | 3 565000 | x | − | 60 113 | + | 400 1171 | − | 1 292750 | x |