| ( | 461 | ( | 1 | + | 20 100 | ) | ) | + | ( | 5 100 | x | ) | = | x |
| 方程左边 = | 461 | ( | 1 | + | 20 100 | ) | + | ( | 5 100 | x | ) |
| = | 461 | × | 1 | + | 461 | × | 20 100 | + | ( | 5 100 | x | ) |
| = | 461 | + | 461 5 | + | ( | 5 100 | x | ) |
| = | 2766 5 | + | ( | 5 100 | x | ) |
| = | 2766 5 | + | 5 100 | x |
2766 5 | + | 5 100 | x | = | x |
5 100 | x | − | x | = | - | 2766 5 |
| - | 19 20 | x | = | - | 2766 5 |
2766 5 | = | 19 20 | x |
19 20 | x | = | 2766 5 |
| x | = | 2766 5 | ÷ | 19 20 |
| = | 2766 5 | × | 20 19 |
| = | 2766 | × | 4 19 |
| x | = | 11064 19 |
| x | = | 582.315789 |