5 100 | = | 1 | − | 100 | ÷ | ( | 100 | + | x | ) |
方程两边同时乘以: | ( | 100 | + | x | ) |
5 100 | ( | 100 | + | x | ) | = | 1 | ( | 100 | + | x | ) | − | 100 |
5 100 | × | 100 | + | 5 100 | x | = | 1 | ( | 100 | + | x | ) | − | 100 |
5 100 | × | 100 | + | 5 100 | x | = | 1 | × | 100 | + | 1 | x | − | 100 |
5 | + | 5 100 | x | = | 100 | + | 1 | x | − | 100 |
5 | + | 5 100 | x | = | 0 | + | 1 | x |
5 100 | x | − | 1 | x | = | - | 5 |
- | 19 20 | x | = | - | 5 |
5 | = | 19 20 | x |
19 20 | x | = | 5 |
x | = | 5 | ÷ | 19 20 |
= | 5 | × | 20 19 |
x | = | 100 19 |
x | = | 5.263158 |