| 3 | ÷ | 4 | × | ( | x | − | 1 | ) | − | 2 | ÷ | 5 | × | ( | 3 | x | + | 2 | ) | = | 1 | ÷ | 10 | − | 3 | ÷ | 2 | × | ( | x | − | 1 | ) |
| 方程左边 = | 3 4 | ( | x | − | 1 | ) | − | 2 5 | ( | 3 | x | + | 2 | ) |
3 4 | ( | x | − | 1 | ) | − | 2 5 | ( | 3 | x | + | 2 | ) | = | 1 | ÷ | 10 | − | 3 | ÷ | 2 | × | ( | x | − | 1 | ) |
| 方程左边 = | 3 4 | x | − | 3 4 | × | 1 | − | 2 5 | ( | 3 | x | + | 2 | ) |
| = | 3 4 | x | − | 3 4 | − | 2 5 | ( | 3 | x | + | 2 | ) |
| = | 3 4 | x | − | 3 4 | − | 2 5 | × | 3 | x | − | 2 5 | × | 2 |
| = | 3 4 | x | − | 3 4 | − | 6 5 | x | − | 4 5 |
| = | - | 9 20 | x | − | 31 20 |
| - | 9 20 | x | − | 31 20 | = | 1 | ÷ | 10 | − | 3 | ÷ | 2 | × | ( | x | − | 1 | ) |
| 方程右边 = | 1 10 | − | 3 2 | ( | x | − | 1 | ) |
| - | 9 20 | x | − | 31 20 | = | 1 10 | − | 3 2 | ( | x | − | 1 | ) |
| 方程右边 = | 1 10 | − | 3 2 | x | + | 3 2 | × | 1 |
| = | 1 10 | − | 3 2 | x | + | 3 2 |
| = | 8 5 | − | 3 2 | x |
| - | 9 20 | x | − | 31 20 | = | 8 5 | − | 3 2 | x |
| - | 9 20 | x | + | 3 2 | x | = | 8 5 | + | 31 20 |
21 20 | x | = | 8 5 | + | 31 20 |
21 20 | x | = | 63 20 |
| x | = | 63 20 | ÷ | 21 20 |
| = | 63 20 | × | 20 21 |
| = | 3 | × | 1 |
| x | = | 3 |