| 11 | ( | 11 | ( | - | 2 | ( | 2 | x | + | 14 | ) | + | 6 | ) | + | 9 | ) | + | 6 | = | 6 | ( | 5 | x | + | 4 | ) | − | 11 |
| 方程左边 = | 11 | × | 11 | ( | - | 2 | ( | 2 | x | + | 14 | ) | + | 6 | ) | + | 11 | × | 9 | + | 6 |
| = | 121 | ( | - | 2 | ( | 2 | x | + | 14 | ) | + | 6 | ) | + | 99 | + | 6 |
| = | 121 | ( | - | 2 | ( | 2 | x | + | 14 | ) | + | 6 | ) | + | 105 |
| = | - | 121 | × | 2 | ( | 2 | x | + | 14 | ) | + | 121 | × | 6 | + | 105 |
| = | - | 242 | ( | 2 | x | + | 14 | ) | + | 726 | + | 105 |
| = | - | 242 | ( | 2 | x | + | 14 | ) | + | 831 |
| = | - | 242 | × | 2 | x | − | 242 | × | 14 | + | 831 |
| = | - | 484 | x | − | 3388 | + | 831 |
| = | - | 484 | x | − | 2557 |
| - | 484 | x | − | 2557 | = | 6 | ( | 5 | x | + | 4 | ) | − | 11 |
| 方程右边 = | 6 | × | 5 | x | + | 6 | × | 4 | − | 11 |
| = | 30 | x | + | 24 | − | 11 |
| = | 30 | x | + | 13 |
| - | 484 | x | − | 2557 | = | 30 | x | + | 13 |
| - | 484 | x | − | 30 | x | = | 13 | + | 2557 |
| - | 514 | x | = | 13 | + | 2557 |
| - | 514 | x | = | 2570 |
| - | 2570 | = | 514 | x |
| 514 | x | = | - | 2570 |
| x | = | - | 2570 | ÷ | 514 |
| = | - | 2570 | × | 1 514 |
| = | - | 1285 | × | 1 257 |
| x | = | - | 1285 257 |
| x | = | - | 5 |