39 1000 | = | x | + | 12 500 | + | x | × | 12 500 |
方程右边 = | 128 125 | x | + | 12 500 |
39 1000 | = | 128 125 | x | + | 12 500 |
- | 128 125 | x | = | 12 500 | − | 39 1000 |
- | 128 125 | x | = | - | 3 200 |
3 200 | = | 128 125 | x |
128 125 | x | = | 3 200 |
x | = | 3 200 | ÷ | 128 125 |
= | 3 200 | × | 125 128 |
= | 3 8 | × | 5 128 |
x | = | 15 1024 |
x | = | 0.014648 |