| 2 | x | ÷ | 3 | = | x | − | 1 | ÷ | 1 |
| 方程左边 = | 2 3 | x |
2 3 | x | = | x | − | 1 | ÷ | 1 |
| 方程右边 = | x | − | 1 |
2 3 | x | = | x | − | 1 |
2 3 | x | − | x | = | - | 1 |
| - | 1 3 | x | = | - | 1 |
| 1 | = | 1 3 | x |
1 3 | x | = | 1 |
| x | = | 1 | ÷ | 1 3 |
| = | 1 | × | 3 |
| x | = | 3 |
| X | − | 2 | ÷ | 1 | = | 2 | X | − | 1 | ÷ | 3 |
| 方程左边 = | X | − | 2 |
| X | − | 2 | = | 2 | X | − | 1 | ÷ | 3 |
| 方程右边 = | 2 | X | − | 1 3 |
| X | − | 2 | = | 2 | X | − | 1 3 |
| X | − | 2 | X | = | - | 1 3 | + | 2 |
| - | X | = | - | 1 3 | + | 2 |
| - | X | = | - | 1 3 | + | 2 |
| - | X | = | 5 3 |
| - | 5 3 | = | X |
| X | = | - | 5 3 |
| X | + | 1 | ÷ | 1 | + | X | − | 1 | ÷ | 1 | = | 0 |
| 方程左边 = | X | + | 1 | + | X | − | 1 |
| = | 2 | X | + | 0 |
| 2 | X | + | 0 | = | 0 |
| X | = | 0 | ÷ | 2 |
| = | 0 | × | 1 2 |
| X | = | 0 |