| ( | 4771 10 | − | 2104 5 | ÷ | x | ) | ( | 483 500 | − | 21 500 | ÷ | x | ) | + | 144 | − | 2861 10 | ÷ | x | = | 0 |
| 方程两边同时乘以: | x |
| ( | 4771 10 | − | 2104 5 | ÷ | x | ) | ( | 483 500 | − | 21 500 | ÷ | x | ) | x | + | 144 | x | − | 2861 10 | = | 0 |
4771 10 | ( | 483 500 | − | 21 500 | ÷ | x | ) | x | − | 2104 5 | ÷ | x | × | ( | 483 500 | − | 21 500 | ÷ | x | ) | x | + | 144 | x | − | 2861 10 | = | 0 |
4771 10 | × | 483 500 | x | − | 4771 10 | × | 21 500 | ÷ | x | × | x | − | 2104 5 | ÷ | 1 | × | ( | 483 500 | − | 21 500 | ÷ | x | ) | × | 1 | + | 144 | = | 0 |
2304393 5000 | x | − | 100191 5000 | ÷ | x | × | x | − | 2104 5 | ( | 483 500 | − | 21 500 | ÷ | x | ) | + | 144 | x | − | 2861 10 | = | 0 |
3024393 5000 | x | − | 100191 5000 | ÷ | x | × | x | − | 2104 5 | ( | 483 500 | − | 21 500 | ÷ | x | ) | − | 2861 10 | = | 0 |
3024393 5000 | x | − | 100191 5000 | ÷ | 1 | × | 1 | − | 2104 5 | × | 483 500 | + | 2104 5 | × | 21 500 | ÷ | x | − | 2861 10 | = | 0 |
3024393 5000 | x | − | 100191 5000 | − | 254058 625 | + | 11046 625 | ÷ | x | − | 2861 10 | = | 0 |
3024393 5000 | x | − | 712631 1000 | + | 11046 625 | ÷ | x | = | 0 |
| 方程两边同时乘以: | x |
3024393 5000 | x | x | − | 712631 1000 | x | + | 11046 625 | = | 0 |