| ( | x | − | x | × | 1 25 | × | 1 2 | ) | × | 4 5 | × | 1 10 | + | x | × | 1 25 | × | 1 2 | = | x | − | 6000 |
| 方程左边 = | ( | x | − | x | × | 1 25 | × | 1 2 | ) | × | 2 25 | + | x | × | 1 50 |
| ( | x | − | x | × | 1 25 | × | 1 2 | ) | × | 2 25 | + | 1 50 | x | = | x | − | 6000 |
| 方程左边 = | x | × | 2 25 | − | x | × | 1 25 | × | 1 2 | × | 2 25 | + | 1 50 | x |
| = | x | × | 2 25 | − | x | × | 1 625 | + | 1 50 | x |
| = | 123 1250 | x |
123 1250 | x | = | x | − | 6000 |
123 1250 | x | − | x | = | - | 6000 |
| - | 1127 1250 | x | = | - | 6000 |
| 6000 | = | 1127 1250 | x |
1127 1250 | x | = | 6000 |
| x | = | 6000 | ÷ | 1127 1250 |
| = | 6000 | × | 1250 1127 |
| x | = | 7500000 1127 |
| x | = | 6654.835847 |