2000 | × | 5 | = | X | ( | 1000 | + | 150 | ) | × | 5 |
方程左边 = | 10000 |
10000 | = | X | ( | 1000 | + | 150 | ) | × | 5 |
方程右边 = | X | × | 1000 | × | 5 | + | X | × | 150 | × | 5 |
= | X | × | 5000 | + | X | × | 750 |
= | 5750 | X |
10000 | = | 5750 | X |
- | 5750 | X | = | - | 10000 |
10000 | = | 5750 | X |
5750 | X | = | 10000 |
X | = | 10000 | ÷ | 5750 |
= | 10000 | × | 1 5750 |
= | 40 | × | 1 23 |
X | = | 40 23 |
X | = | 1.73913 |