( | 121 5 | − | x | ) | ÷ | x | × | 100 100 | = | 17 1000 |
方程两边同时乘以: | x |
( | 121 5 | − | x | ) | × | 100 100 | = | 17 1000 | x |
121 5 | × | 100 100 | − | x | × | 100 100 | = | 17 1000 | x |
121 5 | − | x | × | 100 100 | = | 17 1000 | x |
- | 100 100 | x | − | 17 1000 | x | = | - | 121 5 |
- | 1017 1000 | x | = | - | 121 5 |
121 5 | = | 1017 1000 | x |
1017 1000 | x | = | 121 5 |
x | = | 121 5 | ÷ | 1017 1000 |
= | 121 5 | × | 1000 1017 |
= | 121 | × | 200 1017 |
x | = | 24200 1017 |
x | = | 23.795477 |