| - | 1 | ÷ | 2 | × | x | + | 2 | = | - | 1 | ÷ | 2 | × | x | + | x | + | 2 |
| Left side of the equation = | - | 1 2 | x | + | 2 |
| - | 1 2 | x | + | 2 | = | - | 1 | ÷ | 2 | × | x | + | x | + | 2 |
| Right side of the equation = | - | 1 2 | x | + | x | + | 2 |
| = | 1 2 | x | + | 2 |
| - | 1 2 | x | + | 2 | = | 1 2 | x | + | 2 |
| - | 1 2 | x | − | 1 2 | x | = | 2 | − | 2 |
| - | x | = | 2 | − | 2 |
| - | x | = | 2 | − | 2 |
| - | x | = | 0 |
| - | 0 | = | x |
| x | = | - | 0 |