| 2 | ( | ( | 3 | ( | - | 5 | x | + | 5 | ) | − | 11 | ) | − | 14 | ) | − | 6 | = | 154 |
| 方程左边 = | 2 | ( | 3 | ( | - | 5 | x | + | 5 | ) | − | 11 | ) | − | 2 | × | 14 | − | 6 |
| = | 2 | ( | 3 | ( | - | 5 | x | + | 5 | ) | − | 11 | ) | − | 28 | − | 6 |
| = | 2 | ( | 3 | ( | - | 5 | x | + | 5 | ) | − | 11 | ) | − | 34 |
| = | 2 | × | 3 | ( | - | 5 | x | + | 5 | ) | − | 2 | × | 11 | − | 34 |
| = | 6 | ( | - | 5 | x | + | 5 | ) | − | 22 | − | 34 |
| = | 6 | ( | - | 5 | x | + | 5 | ) | − | 56 |
| = | - | 6 | × | 5 | x | + | 6 | × | 5 | − | 56 |
| = | - | 30 | x | + | 30 | − | 56 |
| = | - | 30 | x | − | 26 |
| - | 30 | x | − | 26 | = | 154 |
| - | 30 | x | = | 154 | + | 26 |
| - | 30 | x | = | 180 |
| - | 180 | = | 30 | x |
| 30 | x | = | - | 180 |
| x | = | - | 180 | ÷ | 30 |
| = | - | 180 | × | 1 30 |
| = | - | 6 | × | 1 |
| x | = | - | 6 |