| x | − | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | − | ( | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | ÷ | 2 | − | 4 | ) | = | 14 |
| Left side of the equation = | x | − | x | + | ( | x | ÷ | 2 | + | 4 | ) | − | ( | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | ÷ | 2 | − | 4 | ) |
| = | 0 | x | + | ( | x | ÷ | 2 | + | 4 | ) | − | ( | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | ÷ | 2 | − | 4 | ) |
| = | 0 | x | + | x | ÷ | 2 | + | 4 | − | ( | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | ÷ | 2 | − | 4 | ) |
| = | 1 2 | x | + | 4 | − | ( | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | ÷ | 2 | − | 4 | ) |
| = | 1 2 | x | + | 4 | − | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | ÷ | 2 | + | 4 |
| = | 1 2 | x | + | 8 | − | ( | x | − | ( | x | ÷ | 2 | + | 4 | ) | ) | × | 1 2 |
| = | 1 2 | x | + | 8 | − | x | × | 1 2 | + | ( | x | ÷ | 2 | + | 4 | ) | × | 1 2 |
| = | 0 | x | + | 8 | + | ( | x | ÷ | 2 | + | 4 | ) | × | 1 2 |
| = | 0 | x | + | 8 | + | x | ÷ | 2 | × | 1 2 | + | 4 | × | 1 2 |
| = | 0 | x | + | 8 | + | x | × | 1 4 | + | 2 |
| = | 1 4 | x | + | 10 |
1 4 | x | + | 10 | = | 14 |
1 4 | x | = | 14 | − | 10 |
1 4 | x | = | 4 |
| x | = | 4 | ÷ | 1 4 |
| = | 4 | × | 4 |
| x | = | 16 |