| 2 | ÷ | 5 | × | x | − | 5 | = | 3 | ÷ | 11 | × | ( | x | + | 5 | ) |
| 方程左边 = | 2 5 | x | − | 5 |
2 5 | x | − | 5 | = | 3 | ÷ | 11 | × | ( | x | + | 5 | ) |
| 方程右边 = | 3 11 | ( | x | + | 5 | ) |
2 5 | x | − | 5 | = | 3 11 | ( | x | + | 5 | ) |
| 方程右边 = | 3 11 | x | + | 3 11 | × | 5 |
| = | 3 11 | x | + | 15 11 |
2 5 | x | − | 5 | = | 3 11 | x | + | 15 11 |
2 5 | x | − | 3 11 | x | = | 15 11 | + | 5 |
7 55 | x | = | 15 11 | + | 5 |
7 55 | x | = | 70 11 |
| x | = | 70 11 | ÷ | 7 55 |
| = | 70 11 | × | 55 7 |
| = | 10 | × | 5 |
| x | = | 50 |