| 6 | ÷ | 5 | × | x | = | 6 | ÷ | 7 | × | ( | x | + | 22 | ) |
| 方程左边 = | 6 5 | x |
6 5 | x | = | 6 | ÷ | 7 | × | ( | x | + | 22 | ) |
| 方程右边 = | 6 7 | ( | x | + | 22 | ) |
6 5 | x | = | 6 7 | ( | x | + | 22 | ) |
| 方程右边 = | 6 7 | x | + | 6 7 | × | 22 |
| = | 6 7 | x | + | 132 7 |
6 5 | x | = | 6 7 | x | + | 132 7 |
6 5 | x | − | 6 7 | x | = | 132 7 |
12 35 | x | = | 132 7 |
| x | = | 132 7 | ÷ | 12 35 |
| = | 132 7 | × | 35 12 |
| = | 11 | × | 5 |
| x | = | 55 |