25 100 | = | x | ÷ | 1800 | + | ( | x | ÷ | 1800 | − | 48 | ÷ | 600 | ) | ( | 600 | ÷ | 1600 | ) |
| 方程右边 = | 1 1800 | x | + | x | ÷ | 1800 | × | ( | 600 | ÷ | 1600 | ) | − | 48 | ÷ | 600 | × | ( | 600 | ÷ | 1600 | ) |
| = | 1 1800 | x | + | x | × | 1 1800 | ( | 600 | ÷ | 1600 | ) | − | 2 25 | ( | 600 | ÷ | 1600 | ) |
| = | 1 1800 | x | + | x | × | 1 1800 | × | 600 | ÷ | 1600 | − | 2 25 | ( | 600 | ÷ | 1600 | ) |
| = | 1 1800 | x | + | x | × | 1 4800 | − | 2 25 | ( | 600 | ÷ | 1600 | ) |
| = | 11 14400 | x | − | 2 25 | ( | 600 | ÷ | 1600 | ) |
| = | 11 14400 | x | − | 2 25 | × | 600 | ÷ | 1600 |
| = | 11 14400 | x | − | 3 100 |
25 100 | = | 11 14400 | x | − | 3 100 |
| - | 11 14400 | x | = | - | 3 100 | − | 25 100 |
| - | 11 14400 | x | = | - | 7 25 |
7 25 | = | 11 14400 | x |
11 14400 | x | = | 7 25 |
| x | = | 7 25 | ÷ | 11 14400 |
| = | 7 25 | × | 14400 11 |
| = | 7 | × | 576 11 |
| x | = | 4032 11 |
| x | = | 366.545455 |