| 14 | + | 2 | ( | 8 | + | 2 | ( | 4 | + | 3 | x | ) | ) | = | 2 | ( | 5 | x | + | 8 | ) |
| 方程左边 = | 14 | + | 2 | × | 8 | + | 2 | × | 2 | ( | 4 | + | 3 | x | ) |
| = | 14 | + | 16 | + | 4 | ( | 4 | + | 3 | x | ) |
| = | 30 | + | 4 | ( | 4 | + | 3 | x | ) |
| = | 30 | + | 4 | × | 4 | + | 4 | × | 3 | x |
| = | 30 | + | 16 | + | 12 | x |
| = | 46 | + | 12 | x |
| 46 | + | 12 | x | = | 2 | ( | 5 | x | + | 8 | ) |
| 方程右边 = | 2 | × | 5 | x | + | 2 | × | 8 |
| = | 10 | x | + | 16 |
| 46 | + | 12 | x | = | 10 | x | + | 16 |
| 12 | x | − | 10 | x | = | 16 | − | 46 |
| 2 | x | = | 16 | − | 46 |
| 2 | x | = | - | 30 |
| x | = | - | 30 | ÷ | 2 |
| = | - | 30 | × | 1 2 |
| = | - | 15 | × | 1 |
| x | = | - | 15 |