( | 8950 | + | 20 | + | X | ) | × | 39 1000 | = | 4 | X |
方程左边 = | 8950 | × | 39 1000 | + | 20 | × | 39 1000 | + | X | × | 39 1000 |
= | 6981 20 | + | 39 50 | + | X | × | 39 1000 |
= | 34983 100 | + | 39 1000 | X |
34983 100 | + | 39 1000 | X | = | 4 | X |
39 1000 | X | − | 4 | X | = | - | 34983 100 |
- | 3961 1000 | X | = | - | 34983 100 |
34983 100 | = | 3961 1000 | X |
3961 1000 | X | = | 34983 100 |
X | = | 34983 100 | ÷ | 3961 1000 |
= | 34983 100 | × | 1000 3961 |
= | 34983 | × | 10 3961 |
X | = | 349830 3961 |
X | = | 88.318606 |