| 2 | + | 1 | ÷ | 6 | × | ( | x | − | 2 | − | 1 | ÷ | 5 | × | x | − | 2 | ) | = | 1 | ÷ | 5 | × | ( | x | − | 2 | ) |
| 方程左边 = | 2 | + | 1 6 | ( | x | − | 2 | − | 1 | ÷ | 5 | × | x | − | 2 | ) |
| 2 | + | 1 6 | ( | x | − | 2 | − | 1 | ÷ | 5 | × | x | − | 2 | ) | = | 1 | ÷ | 5 | × | ( | x | − | 2 | ) |
| 方程左边 = | 2 | + | 1 6 | x | − | 1 6 | × | 2 | − | 1 6 | × | 1 | ÷ | 5 | × | x | − | 1 6 | × | 2 |
| = | 2 | + | 1 6 | x | − | 1 3 | − | 1 30 | x | − | 1 3 |
| = | 4 3 | + | 2 15 | x |
4 3 | + | 2 15 | x | = | 1 | ÷ | 5 | × | ( | x | − | 2 | ) |
| 方程右边 = | 1 5 | ( | x | − | 2 | ) |
4 3 | + | 2 15 | x | = | 1 5 | ( | x | − | 2 | ) |
| 方程右边 = | 1 5 | x | − | 1 5 | × | 2 |
| = | 1 5 | x | − | 2 5 |
4 3 | + | 2 15 | x | = | 1 5 | x | − | 2 5 |
2 15 | x | − | 1 5 | x | = | - | 2 5 | − | 4 3 |
| - | 1 15 | x | = | - | 2 5 | − | 4 3 |
| - | 1 15 | x | = | - | 26 15 |
26 15 | = | 1 15 | x |
1 15 | x | = | 26 15 |
| x | = | 26 15 | ÷ | 1 15 |
| = | 26 15 | × | 15 |
| = | 26 | × | 1 |
| x | = | 26 |