| ( | 1 10 | + | 2 | x | ) | x | ÷ | ( | 1 10 | − | 2 | x | ) | = | 44 25 | ÷ | 100000 |
| 方程两边同时乘以: | ( | 1 10 | − | 2 | x | ) |
| ( | 1 10 | + | 2 | x | ) | x | = | 44 25 | ÷ | 100000 | × | ( | 1 10 | − | 2 | x | ) |
1 10 | x | + | 2 | x | x | = | 44 25 | ÷ | 100000 | × | ( | 1 10 | − | 2 | x | ) |
1 10 | x | + | 2 | x | x | = | 44 25 | ÷ | 100000 | × | 1 10 | − | 44 25 | ÷ | 100000 | × | 2 | x |
1 10 | x | + | 2 | x | x | = | 11 6250000 | − | 11 312500 | x |