4 5 | = | x | × | 11 5 | × | 17 20 | ÷ | ( | 1500 | + | x | ) |
方程两边同时乘以: | ( | 1500 | + | x | ) |
4 5 | ( | 1500 | + | x | ) | = | x | × | 11 5 | × | 17 20 |
4 5 | × | 1500 | + | 4 5 | x | = | x | × | 11 5 | × | 17 20 |
1200 | + | 4 5 | x | = | x | × | 187 100 |
4 5 | x | - | 187 100 | x | = | - | 1200 |
- | 107 100 | x | = | - | 1200 |
107 100 | x | = | 1200 |
x | = | 1200 | ÷ | 107 100 |
= | 1200 | × | 100 107 |
x | = | 120000 107 |
x | = | 1121.495327 |