| 1 | ÷ | 2 | × | ( | 2 | x | + | 3 | ) | + | 1 | ÷ | 3 | × | ( | 2 | x | + | 4 | ) | = | 1 | ÷ | 4 | × | ( | 2 | x | + | 5 | ) | + | 1 | ÷ | 5 | × | ( | 2 | x | + | 6 | ) |
| 方程左边 = | 1 2 | ( | 2 | x | + | 3 | ) | + | 1 3 | ( | 2 | x | + | 4 | ) |
1 2 | ( | 2 | x | + | 3 | ) | + | 1 3 | ( | 2 | x | + | 4 | ) | = | 1 | ÷ | 4 | × | ( | 2 | x | + | 5 | ) | + | 1 | ÷ | 5 | × | ( | 2 | x | + | 6 | ) |
| 方程左边 = | 1 2 | × | 2 | x | + | 1 2 | × | 3 | + | 1 3 | ( | 2 | x | + | 4 | ) |
| = | 1 | x | + | 3 2 | + | 1 3 | ( | 2 | x | + | 4 | ) |
| = | 1 | x | + | 3 2 | + | 1 3 | × | 2 | x | + | 1 3 | × | 4 |
| = | 1 | x | + | 3 2 | + | 2 3 | x | + | 4 3 |
| = | 5 3 | x | + | 17 6 |
5 3 | x | + | 17 6 | = | 1 | ÷ | 4 | × | ( | 2 | x | + | 5 | ) | + | 1 | ÷ | 5 | × | ( | 2 | x | + | 6 | ) |
| 方程右边 = | 1 4 | ( | 2 | x | + | 5 | ) | + | 1 5 | ( | 2 | x | + | 6 | ) |
5 3 | x | + | 17 6 | = | 1 4 | ( | 2 | x | + | 5 | ) | + | 1 5 | ( | 2 | x | + | 6 | ) |
| 方程右边 = | 1 4 | × | 2 | x | + | 1 4 | × | 5 | + | 1 5 | ( | 2 | x | + | 6 | ) |
| = | 1 2 | x | + | 5 4 | + | 1 5 | ( | 2 | x | + | 6 | ) |
| = | 1 2 | x | + | 5 4 | + | 1 5 | × | 2 | x | + | 1 5 | × | 6 |
| = | 1 2 | x | + | 5 4 | + | 2 5 | x | + | 6 5 |
| = | 9 10 | x | + | 49 20 |
5 3 | x | + | 17 6 | = | 9 10 | x | + | 49 20 |
5 3 | x | − | 9 10 | x | = | 49 20 | − | 17 6 |
23 30 | x | = | 49 20 | − | 17 6 |
23 30 | x | = | - | 23 60 |
| x | = | - | 23 60 | ÷ | 23 30 |
| = | - | 23 60 | × | 30 23 |
| = | - | 1 2 | × | 1 |
| x | = | - | 1 2 |
| x | = | - 0.5 |