| 1 | ÷ | 3 | × | ( | x | − | 1 | ) | = | 4 | x |
| 方程左边 = | 1 3 | ( | x | − | 1 | ) |
1 3 | ( | x | − | 1 | ) | = | 4 | x |
| 方程左边 = | 1 3 | x | − | 1 3 | × | 1 |
| = | 1 3 | x | − | 1 3 |
1 3 | x | − | 1 3 | = | 4 | x |
1 3 | x | − | 4 | x | = | 1 3 |
| - | 11 3 | x | = | 1 3 |
| - | 1 3 | = | 11 3 | x |
11 3 | x | = | - | 1 3 |
| x | = | - | 1 3 | ÷ | 11 3 |
| = | - | 1 3 | × | 3 11 |
| = | - | 1 | × | 1 11 |
| x | = | - | 1 11 |
| x | = | - 0.090909 |