3 | x | ÷ | 2 | = | 9 | ÷ | ( | 4 | x | + | 8 | ) | + | 3 | ÷ | 2 | × | x |
方程两边同时乘以: | ( | 4 | x | + | 8 | ) |
3 | x | ÷ | 2 | × | ( | 4 | x | + | 8 | ) | = | 9 | + | 3 | ÷ | 2 | × | x | ( | 4 | x | + | 8 | ) |
3 | x | ÷ | 2 | × | 4 | x | + | 3 | x | ÷ | 2 | × | 8 | = | 9 | + | 3 | ÷ | 2 | × | x | ( | 4 | x | + | 8 | ) |
3 | x | ÷ | 2 | × | 4 | x | + | 3 | x | ÷ | 2 | × | 8 | = | 9 | + | 3 | ÷ | 2 | × | x | × | 4 | x | + | 3 | ÷ | 2 | × | x | × | 8 |
6 | x | x | + | 12 | x | = | 9 | + | 6 | x | x | + | 12 | x |