| ( | 19549 100 | ( | 1 | + | 20 100 | ) | ) | + | ( | 8 100 | x | ) | = | x |
| 方程左边 = | 19549 100 | ( | 1 | + | 20 100 | ) | + | ( | 8 100 | x | ) |
| = | 19549 100 | × | 1 | + | 19549 100 | × | 20 100 | + | ( | 8 100 | x | ) |
| = | 19549 100 | + | 19549 500 | + | ( | 8 100 | x | ) |
| = | 58647 250 | + | ( | 8 100 | x | ) |
| = | 58647 250 | + | 8 100 | x |
58647 250 | + | 8 100 | x | = | x |
8 100 | x | − | x | = | - | 58647 250 |
| - | 23 25 | x | = | - | 58647 250 |
58647 250 | = | 23 25 | x |
23 25 | x | = | 58647 250 |
| x | = | 58647 250 | ÷ | 23 25 |
| = | 58647 250 | × | 25 23 |
| = | 58647 10 | × | 1 23 |
| x | = | 58647 230 |
| x | = | 254.986957 |