| x | − | x | × | 56 100 | − | ( | x | × | 56 | + | x | × | 13 100 | ) | × | 10 100 | = | 175 4 |
| 方程左边 = | 11 25 | x | − | ( | x | × | 56 | + | x | × | 13 100 | ) | × | 10 100 |
11 25 | x | − | ( | x | × | 56 | + | x | × | 13 100 | ) | × | 10 100 | = | 175 4 |
| 方程左边 = | 11 25 | x | − | x | × | 56 | × | 10 100 | − | x | × | 13 100 | × | 10 100 |
| = | 11 25 | x | − | x | × | 28 5 | − | x | × | 13 1000 |
| = | - | 5173 1000 | x |
| - | 5173 1000 | x | = | 175 4 |
| - | 175 4 | = | 5173 1000 | x |
5173 1000 | x | = | - | 175 4 |
| x | = | - | 175 4 | ÷ | 5173 1000 |
| = | - | 175 4 | × | 1000 5173 |
| = | - | 25 | × | 250 739 |
| x | = | - | 6250 739 |
| x | = | - 8.457375 |