| ( | 48 | − | 3 | x | ) | ÷ | ( | x | + | 2 | ) | + | 5 | = | 44 | ÷ | x |
| 方程两边同时乘以: | ( | x | + | 2 | ) | , | x |
| ( | 48 | − | 3 | x | ) | x | + | 5 | ( | x | + | 2 | ) | x | = | 44 | ( | x | + | 2 | ) |
| 48 | x | − | 3 | x | x | + | 5 | ( | x | + | 2 | ) | x | = | 44 | ( | x | + | 2 | ) |
| 48 | x | − | 3 | x | x | + | 5 | ( | x | + | 2 | ) | x | = | 44 | x | + | 44 | × | 2 |
| 48 | x | − | 3 | x | x | + | 5 | ( | x | + | 2 | ) | x | = | 44 | x | + | 88 |
| 48 | x | − | 3 | x | x | + | 5 | x | x | + | 5 | × | 2 | x | = | 44 | x | + | 88 |
| 48 | x | − | 3 | x | x | + | 5 | x | x | + | 10 | x | = | 44 | x | + | 88 |
| 58 | x | − | 3 | x | x | + | 5 | x | x | = | 44 | x | + | 88 |