| 10 | x | = | 41 100 | × | 1 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 71 100 | − | 7 125 | × | 3 |
| 方程右边 = | 41 100 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 71 100 | − | 21 125 |
| = | 41 100 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 439 500 |
| 10 | x | = | 41 100 | ( | 10 | − | 10 | x | − | 3 10 | ) | − | 439 500 |
| 方程右边 = | 41 100 | × | 10 | − | 41 100 | × | 10 | x | − | 41 100 | × | 3 10 | − | 439 500 |
| = | 41 10 | − | 41 10 | x | − | 123 1000 | − | 439 500 |
| = | 3099 1000 | − | 41 10 | x |
| 10 | x | = | 3099 1000 | − | 41 10 | x |
| 10 | x | + | 41 10 | x | = | 3099 1000 |
141 10 | x | = | 3099 1000 |
| x | = | 3099 1000 | ÷ | 141 10 |
| = | 3099 1000 | × | 10 141 |
| = | 1033 100 | × | 1 47 |
| x | = | 1033 4700 |
| x | = | 0.219787 |