| x | − | ( | x | − | 5000 | − | 10196 25 | ) | × | 3 100 | = | 77541 10 |
| 方程左边 = | x | − | x | × | 3 100 | + | 5000 | × | 3 100 | + | 10196 25 | × | 3 100 |
| = | x | − | x | × | 3 100 | + | 150 | + | 7647 625 |
| = | 97 100 | x | + | 101397 625 |
97 100 | x | + | 101397 625 | = | 77541 10 |
97 100 | x | = | 77541 10 | − | 101397 625 |
97 100 | x | = | 9489831 1250 |
| x | = | 9489831 1250 | ÷ | 97 100 |
| = | 9489831 1250 | × | 100 97 |
| = | 9489831 25 | × | 2 97 |
| x | = | 18979662 2425 |
| x | = | 7826.664742 |