| x | = | ( | 100 | + | ( | x | × | 6 100 | ) | ) | + | ( | 100 | × | 18 2500 | ) |
| 方程右边 = | 100 | + | ( | x | × | 6 100 | ) | + | ( | 100 | × | 18 2500 | ) |
| = | 100 | + | x | × | 6 100 | + | ( | 100 | × | 18 2500 | ) |
| = | 100 | + | 6 100 | x | + | 100 | × | 18 2500 |
| = | 100 | + | 6 100 | x | + | 18 25 |
| = | 2518 25 | + | 6 100 | x |
| x | = | 2518 25 | + | 6 100 | x |
| x | − | 6 100 | x | = | 2518 25 |
47 50 | x | = | 2518 25 |
| x | = | 2518 25 | ÷ | 47 50 |
| = | 2518 25 | × | 50 47 |
| = | 2518 | × | 2 47 |
| x | = | 5036 47 |
| x | = | 107.148936 |