| 6 | ( | 2 | x | + | ( | 3 | − | 4 | x | ) | ) | = | 4 |
| 方程左边 = | 6 | × | 2 | x | + | 6 | ( | 3 | − | 4 | x | ) |
| = | 12 | x | + | 6 | ( | 3 | − | 4 | x | ) |
| = | 12 | x | + | 6 | × | 3 | − | 6 | × | 4 | x |
| = | 12 | x | + | 18 | − | 24 | x |
| = | - | 12 | x | + | 18 |
| - | 12 | x | + | 18 | = | 4 |
| - | 12 | x | = | 4 | − | 18 |
| - | 12 | x | = | - | 14 |
| 14 | = | 12 | x |
| 12 | x | = | 14 |
| x | = | 14 | ÷ | 12 |
| = | 14 | × | 1 12 |
| = | 7 | × | 1 6 |
| x | = | 7 6 |
| x | = | 1.166667 |