( | X | × | 113 100 | − | 21 50 | × | 113 100 | ) | ÷ | ( | X | × | 113 100 | ) | = | 0 |
方程两边同时乘以: | ( | X | × | 113 100 | ) |
( | X | × | 113 100 | − | 21 50 | × | 113 100 | ) | = | 0 |
X | × | 113 100 | − | 21 50 | × | 113 100 | = | 0 |
X | × | 113 100 | − | 2373 5000 | = | 0 |
113 100 | X | = | 0 | + | 2373 5000 |
113 100 | X | = | 2373 5000 |
X | = | 2373 5000 | ÷ | 113 100 |
= | 2373 5000 | × | 100 113 |
= | 2373 50 | × | 1 113 |
X | = | 2373 5650 |
X | = | 0.42 |