| x | − | ( | 13 100 | x | − | 126 | ) | × | 1 10 | − | ( | x | − | 11689 25 | − | ( | 13 100 | x | − | 126 | ) | ) | × | 1 4 | = | 17161 50 |
| 方程左边 = | x | − | 13 100 | x | × | 1 10 | + | 126 | × | 1 10 | − | ( | x | − | 11689 25 | − | ( | 13 100 | x | − | 126 | ) | ) | × | 1 4 |
| = | x | − | 13 1000 | x | + | 63 5 | − | ( | x | − | 11689 25 | − | ( | 13 100 | x | − | 126 | ) | ) | × | 1 4 |
| = | 987 1000 | x | + | 63 5 | − | ( | x | − | 11689 25 | − | ( | 13 100 | x | − | 126 | ) | ) | × | 1 4 |
| = | 987 1000 | x | + | 63 5 | − | x | × | 1 4 | + | 11689 25 | × | 1 4 | + | ( | 13 100 | x | − | 126 | ) | × | 1 4 |
| = | 987 1000 | x | + | 63 5 | − | x | × | 1 4 | + | 11689 100 | + | ( | 13 100 | x | − | 126 | ) | × | 1 4 |
| = | 737 1000 | x | + | 12949 100 | + | ( | 13 100 | x | − | 126 | ) | × | 1 4 |
| = | 737 1000 | x | + | 12949 100 | + | 13 100 | x | × | 1 4 | − | 126 | × | 1 4 |
| = | 737 1000 | x | + | 12949 100 | + | 13 400 | x | − | 63 2 |
| = | 1539 2000 | x | + | 9799 100 |
1539 2000 | x | + | 9799 100 | = | 17161 50 |
1539 2000 | x | = | 17161 50 | − | 9799 100 |
1539 2000 | x | = | 24523 100 |
| x | = | 24523 100 | ÷ | 1539 2000 |
| = | 24523 100 | × | 2000 1539 |
| = | 24523 | × | 20 1539 |
| x | = | 490460 1539 |
| x | = | 318.687459 |