| 2 | x | − | 1 | ÷ | 2 | × | ( | x | − | 1 | ÷ | 2 | × | ( | x | − | 1 | ) | ) | + | 2 | ÷ | 3 | × | ( | x | − | 1 | ) | = | 0 |
| 方程左边 = | 2 | x | − | 1 2 | ( | x | − | 1 | ÷ | 2 | × | ( | x | − | 1 | ) | ) | + | 2 3 | ( | x | − | 1 | ) |
| 2 | x | − | 1 2 | ( | x | − | 1 | ÷ | 2 | × | ( | x | − | 1 | ) | ) | + | 2 3 | ( | x | − | 1 | ) | = | 0 |
| 方程左边 = | 2 | x | − | 1 2 | x | + | 1 2 | × | 1 | ÷ | 2 | × | ( | x | − | 1 | ) | + | 2 3 | ( | x | − | 1 | ) |
| = | 2 | x | − | 1 2 | x | + | 1 4 | ( | x | − | 1 | ) | + | 2 3 | ( | x | − | 1 | ) |
| = | 3 2 | x | + | 1 4 | ( | x | − | 1 | ) | + | 2 3 | ( | x | − | 1 | ) |
| = | 3 2 | x | + | 1 4 | x | − | 1 4 | × | 1 | + | 2 3 | ( | x | − | 1 | ) |
| = | 3 2 | x | + | 1 4 | x | − | 1 4 | + | 2 3 | ( | x | − | 1 | ) |
| = | 7 4 | x | − | 1 4 | + | 2 3 | ( | x | − | 1 | ) |
| = | 7 4 | x | − | 1 4 | + | 2 3 | x | − | 2 3 | × | 1 |
| = | 7 4 | x | − | 1 4 | + | 2 3 | x | − | 2 3 |
| = | 29 12 | x | − | 11 12 |
29 12 | x | − | 11 12 | = | 0 |
29 12 | x | = | 0 | + | 11 12 |
29 12 | x | = | 11 12 |
| x | = | 11 12 | ÷ | 29 12 |
| = | 11 12 | × | 12 29 |
| = | 11 | × | 1 29 |
| x | = | 11 29 |
| x | = | 0.37931 |