| ( | 8800 | ( | 1 | + | 15 100 | ) | ) | + | ( | 5 100 | x | ) | = | x |
| 方程左边 = | 8800 | ( | 1 | + | 15 100 | ) | + | ( | 5 100 | x | ) |
| = | 8800 | × | 1 | + | 8800 | × | 15 100 | + | ( | 5 100 | x | ) |
| = | 8800 | + | 1320 | + | ( | 5 100 | x | ) |
| = | 10120 | + | ( | 5 100 | x | ) |
| = | 10120 | + | 5 100 | x |
| 10120 | + | 5 100 | x | = | x |
5 100 | x | − | x | = | - | 10120 |
| - | 19 20 | x | = | - | 10120 |
| 10120 | = | 19 20 | x |
19 20 | x | = | 10120 |
| x | = | 10120 | ÷ | 19 20 |
| = | 10120 | × | 20 19 |
| x | = | 202400 19 |
| x | = | 10652.631579 |