1 | ÷ | ( | x | − | 3 | ) | = | - | x | ÷ | ( | 3 | − | x | ) | − | 2 |
方程两边同时乘以: | ( | x | − | 3 | ) | , | ( | 3 | − | x | ) |
1 | ( | 3 | − | x | ) | = | - | x | ( | x | − | 3 | ) | − | 2 | ( | x | − | 3 | ) | ( | 3 | − | x | ) |
1 | × | 3 | − | 1 | x | = | - | x | ( | x | − | 3 | ) | − | 2 | ( | x | − | 3 | ) | ( | 3 | − | x | ) |
1 | × | 3 | − | 1 | x | = | - | x | x | + | x | × | 3 | − | 2 | ( | x | − | 3 | ) | ( | 3 | − | x | ) |
3 | − | 1 | x | = | - | x | x | + | x | × | 3 | − | 2 | ( | x | − | 3 | ) | ( | 3 | − | x | ) |
3 | − | 1 | x | = | - | x | x | + | 3 | x | − | 2 | x | ( | 3 | − | x | ) | + | 2 | × | 3 | ( | 3 | − | x | ) |
3 | − | 1 | x | = | - | x | x | + | 3 | x | − | 2 | x | ( | 3 | − | x | ) | + | 6 | ( | 3 | − | x | ) |
3 | − | 1 | x | = | - | x | x | + | 3 | x | − | 2 | x | × | 3 | + | 2 | x | x | + | 6 | ( | 3 | − | x | ) |
3 | − | 1 | x | = | - | x | x | + | 3 | x | − | 6 | x | + | 2 | x | x | + | 6 | ( | 3 | − | x | ) |
3 | − | 1 | x | = | - | x | x | − | 3 | x | + | 2 | x | x | + | 6 | ( | 3 | − | x | ) |
3 | − | 1 | x | = | - | x | x | − | 3 | x | + | 2 | x | x | + | 6 | × | 3 | − | 6 | x |
3 | − | 1 | x | = | - | x | x | − | 3 | x | + | 2 | x | x | + | 18 | − | 6 | x |
3 | − | 1 | x | = | - | x | x | − | 9 | x | + | 2 | x | x | + | 18 |