| ( | 26 | ( | 1 | + | 20 100 | ) | ) | + | ( | 5 100 | x | ) | = | x |
| 方程左边 = | 26 | ( | 1 | + | 20 100 | ) | + | ( | 5 100 | x | ) |
| = | 26 | × | 1 | + | 26 | × | 20 100 | + | ( | 5 100 | x | ) |
| = | 26 | + | 26 5 | + | ( | 5 100 | x | ) |
| = | 156 5 | + | ( | 5 100 | x | ) |
| = | 156 5 | + | 5 100 | x |
156 5 | + | 5 100 | x | = | x |
5 100 | x | − | x | = | - | 156 5 |
| - | 19 20 | x | = | - | 156 5 |
156 5 | = | 19 20 | x |
19 20 | x | = | 156 5 |
| x | = | 156 5 | ÷ | 19 20 |
| = | 156 5 | × | 20 19 |
| = | 156 | × | 4 19 |
| x | = | 624 19 |
| x | = | 32.842105 |