| 4 | x | − | 1 | ÷ | 6 | × | ( | x | + | 3 | ) | = | - | x | + | 3 |
| 方程左边 = | 4 | x | − | 1 6 | ( | x | + | 3 | ) |
| 4 | x | − | 1 6 | ( | x | + | 3 | ) | = | - | x | + | 3 |
| 方程左边 = | 4 | x | − | 1 6 | x | − | 1 6 | × | 3 |
| = | 4 | x | − | 1 6 | x | − | 1 2 |
| = | 23 6 | x | − | 1 2 |
23 6 | x | − | 1 2 | = | - | x | + | 3 |
23 6 | x | + | x | = | 3 | + | 1 2 |
29 6 | x | = | 3 | + | 1 2 |
29 6 | x | = | 7 2 |
| x | = | 7 2 | ÷ | 29 6 |
| = | 7 2 | × | 6 29 |
| = | 7 | × | 3 29 |
| x | = | 21 29 |
| x | = | 0.724138 |