2381 25 | = | 100 | ÷ | ( | 1 | + | x | ) |
| 方程两边同时乘以: | ( | 1 | + | x | ) |
2381 25 | ( | 1 | + | x | ) | = | 100 |
2381 25 | × | 1 | + | 2381 25 | x | = | 100 |
2381 25 | + | 2381 25 | x | = | 100 |
2381 25 | x | = | 100 | − | 2381 25 |
2381 25 | x | = | 119 25 |
| x | = | 119 25 | ÷ | 2381 25 |
| = | 119 25 | × | 25 2381 |
| = | 119 | × | 1 2381 |
| x | = | 119 2381 |
| x | = | 0.049979 |