| 10 | x | = | 41 100 | × | 0 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 71 100 | − | 7 125 | × | 3 |
| 方程右边 = | 0 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 71 100 | − | 21 125 |
| = | 0 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 439 500 |
| 10 | x | = | 0 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 439 500 |
| 方程右边 = | 0 | × | 10 | − | 0 | × | 10 | x | − | 0 | × | 3 10 | − | 439 500 |
| = | 0 | − | 0 | x | − | 0 | − | 439 500 |
| = | - | 439 500 | − | 0 | x |
| 10 | x | = | - | 439 500 | − | 0 | x |
| x | = | - | 439 500 | ÷ | 10 |
| = | - | 439 500 | × | 1 10 |
| x | = | - | 439 5000 |
| x | = | - 0.0878 |