| ( | ( | 8 | ) | ÷ | ( | x | − | 2 | ) | ) | = | ( | ( | 4 | ) | ÷ | ( | 2 | x | ) | ) |
| ( | 8 | ) | ÷ | ( | x | − | 2 | ) | = | ( | ( | 4 | ) | ÷ | ( | 2 | x | ) | ) |
| ( | 8 | ) | ÷ | ( | x | − | 2 | ) | = | ( | 4 | ) | ÷ | ( | 2 | x | ) |
| 方程两边同时乘以: | ( | x | − | 2 | ) | , | ( | 2 | x | ) |
| ( | 8 | ) | ( | 2 | x | ) | = | ( | 4 | ) | ( | x | − | 2 | ) |
| 8 | ( | 2 | x | ) | = | ( | 4 | ) | ( | x | − | 2 | ) |
| 8 | ( | 2 | x | ) | = | 4 | ( | x | − | 2 | ) |
| 8 | × | 2 | x | = | 4 | ( | x | − | 2 | ) |
| 8 | × | 2 | x | = | 4 | x | − | 4 | × | 2 |
| 16 | x | = | 4 | x | − | 8 |
| 16 | x | − | 4 | x | = | - | 8 |
| 12 | x | = | - | 8 |
| x | = | - | 8 | ÷ | 12 |
| = | - | 8 | × | 1 12 |
| = | - | 2 | × | 1 3 |
| x | = | - | 2 3 |
| x | = | - 0.666667 |