( | ( | 300 | − | X | ) | ÷ | X | ) | × | 100 | = | 59 100 |
( | 300 | − | X | ) | ÷ | X | × | 100 | = | 59 100 |
方程两边同时乘以: | X |
( | 300 | − | X | ) | × | 100 | = | 59 100 | X |
300 | × | 100 | − | X | × | 100 | = | 59 100 | X |
30000 | − | X | × | 100 | = | 59 100 | X |
- | 100 | X | − | 59 100 | X | = | - | 30000 |
- | 10059 100 | X | = | - | 30000 |
30000 | = | 10059 100 | X |
10059 100 | X | = | 30000 |
X | = | 30000 | ÷ | 10059 100 |
= | 30000 | × | 100 10059 |
= | 10000 | × | 100 3353 |
X | = | 1000000 3353 |
X | = | 298.240382 |