| 981635 | × | 47 100 | − | x | = | 23 50 | ( | 981635 | − | x | ) |
| 方程左边 = | 9227369 20 | − | x |
9227369 20 | − | x | = | 23 50 | ( | 981635 | − | x | ) |
| 方程右边 = | 23 50 | × | 981635 | − | 23 50 | x |
| = | 4515521 10 | − | 23 50 | x |
9227369 20 | − | x | = | 4515521 10 | − | 23 50 | x |
| - | x | + | 23 50 | x | = | 4515521 10 | − | 9227369 20 |
| - | 27 50 | x | = | 4515521 10 | − | 9227369 20 |
| - | 27 50 | x | = | - | 196327 20 |
196327 20 | = | 27 50 | x |
27 50 | x | = | 196327 20 |
| x | = | 196327 20 | ÷ | 27 50 |
| = | 196327 20 | × | 50 27 |
| = | 196327 2 | × | 5 27 |
| x | = | 981635 54 |
| x | = | 18178.425926 |