| 2300 | ÷ | ( | 2 | x | + | 30 | ) | + | 2300 | ÷ | x | = | 33 |
| 方程两边同时乘以: | ( | 2 | x | + | 30 | ) |
| 2300 | + | 2300 | ÷ | x | × | ( | 2 | x | + | 30 | ) | = | 33 | ( | 2 | x | + | 30 | ) |
| 2300 | + | 2300 | ÷ | x | × | 2 | x | + | 2300 | ÷ | x | × | 30 | = | 33 | ( | 2 | x | + | 30 | ) |
| 2300 | + | 2300 | ÷ | x | × | 2 | x | + | 2300 | ÷ | x | × | 30 | = | 33 | × | 2 | x | + | 33 | × | 30 |
| 2300 | + | 4600 | ÷ | x | × | x | + | 69000 | ÷ | x | = | 66 | x | + | 990 |
| 方程两边同时乘以: | x |
| 2300 | x | + | 4600 | ÷ | 1 | × | 1 | x | + | 69000 | = | 66 | x | x | + | 990 | x |
| x1= | - | 115 11 |
| x2=100 |