| x | × | 13 100 | + | ( | 6832033 500 | − | x | ) | × | 9 100 | = | 789467 500 |
| 方程左边 = | 13 100 | x | + | 6832033 500 | × | 9 100 | − | x | × | 9 100 |
| = | 13 100 | x | + | 61488297 50000 | − | x | × | 9 100 |
| = | 1 25 | x | + | 61488297 50000 |
1 25 | x | + | 61488297 50000 | = | 789467 500 |
1 25 | x | = | 789467 500 | − | 61488297 50000 |
1 25 | x | = | 17458403 50000 |
| x | = | 17458403 50000 | ÷ | 1 25 |
| = | 17458403 50000 | × | 25 |
| = | 17458403 2000 | × | 1 |
| x | = | 17458403 2000 |
| x | = | 8729.2015 |