9 5 | ( | 12 | ÷ | ( | 12 | + | x | ) | ) | − | 9 5 | ( | 10 | ÷ | ( | 10 | + | x | ) | ) | = | 1 10 |
9 5 | × | 12 | ÷ | ( | 12 | + | x | ) | − | 9 5 | ( | 10 | ÷ | ( | 10 | + | x | ) | ) | = | 1 10 |
108 5 | ÷ | ( | 12 | + | x | ) | − | 9 5 | ( | 10 | ÷ | ( | 10 | + | x | ) | ) | = | 1 10 |
| 方程两边同时乘以: | ( | 12 | + | x | ) |
108 5 | − | 9 5 | ( | 10 | ÷ | ( | 10 | + | x | ) | ) | ( | 12 | + | x | ) | = | 1 10 | ( | 12 | + | x | ) |
108 5 | − | 9 5 | × | 10 | ÷ | ( | 10 | + | x | ) | × | ( | 12 | + | x | ) | = | 1 10 | ( | 12 | + | x | ) |
108 5 | − | 9 5 | × | 10 | ÷ | ( | 10 | + | x | ) | × | ( | 12 | + | x | ) | = | 1 10 | × | 12 | + | 1 10 | x |
108 5 | − | 18 | ÷ | ( | 10 | + | x | ) | × | ( | 12 | + | x | ) | = | 6 5 | + | 1 10 | x |
| 方程两边同时乘以: | ( | 10 | + | x | ) |
108 5 | ( | 10 | + | x | ) | − | 18 | ( | 12 | + | x | ) | = | 6 5 | ( | 10 | + | x | ) | + | 1 10 | x | ( | 10 | + | x | ) |
108 5 | × | 10 | + | 108 5 | x | − | 18 | ( | 12 | + | x | ) | = | 6 5 | ( | 10 | + | x | ) | + | 1 10 | x | ( | 10 | + | x | ) |
108 5 | × | 10 | + | 108 5 | x | − | 18 | ( | 12 | + | x | ) | = | 6 5 | × | 10 | + | 6 5 | x | + | 1 10 | x | ( | 10 | + | x | ) |
| 216 | + | 108 5 | x | − | 18 | ( | 12 | + | x | ) | = | 12 | + | 6 5 | x | + | 1 10 | x | ( | 10 | + | x | ) |
| 216 | + | 108 5 | x | − | 18 | × | 12 | − | 18 | x | = | 12 | + | 6 5 | x | + | 1 10 | x | ( | 10 | + | x | ) |
| 216 | + | 108 5 | x | − | 18 | × | 12 | − | 18 | x | = | 12 | + | 6 5 | x | + | 1 10 | x | × | 10 | + | 1 10 | x | x |
| 216 | + | 108 5 | x | − | 216 | − | 18 | x | = | 12 | + | 6 5 | x | + | 1 | x | + | 1 10 | x | x |
| 0 | + | 18 5 | x | = | 12 | + | 11 5 | x | + | 1 10 | x | x |