939 200 | + | ( | X | × | 257 10000 | ) | = | X |
方程左边 = | 939 200 | + | X | × | 257 10000 |
939 200 | + | 257 10000 | X | = | X |
257 10000 | X | − | X | = | - | 939 200 |
- | 9743 10000 | X | = | - | 939 200 |
939 200 | = | 9743 10000 | X |
9743 10000 | X | = | 939 200 |
X | = | 939 200 | ÷ | 9743 10000 |
= | 939 200 | × | 10000 9743 |
= | 939 | × | 50 9743 |
X | = | 46950 9743 |
X | = | 4.818844 |