2 5 | − | ( | ( | 1 | + | x | ) | ÷ | x | ) | × | 3 100 | = | 0 |
2 5 | − | ( | 1 | + | x | ) | ÷ | x | × | 3 100 | = | 0 |
| 方程两边同时乘以: | x |
2 5 | x | − | ( | 1 | + | x | ) | × | 3 100 | = | 0 |
2 5 | x | − | 1 | × | 3 100 | − | x | × | 3 100 | = | 0 |
2 5 | x | − | 3 100 | − | x | × | 3 100 | = | 0 |
37 100 | x | − | 3 100 | = | 0 |
37 100 | x | = | 0 | + | 3 100 |
37 100 | x | = | 3 100 |
| x | = | 3 100 | ÷ | 37 100 |
| = | 3 100 | × | 100 37 |
| = | 3 | × | 1 37 |
| x | = | 3 37 |
| x | = | 0.081081 |