6 5 | ( | 90 | + | 14 | × | 1 2 | + | 8 | + | 1 20 | x | + | 3 100 | ) | = | x |
方程左边 = | 6 5 | × | 90 | + | 6 5 | × | 14 | × | 1 2 | + | 6 5 | × | 8 | + | 6 5 | × | 1 20 | x | + | 6 5 | × | 3 100 |
= | 108 | + | 42 5 | + | 48 5 | + | 3 50 | x | + | 9 250 |
= | 31509 250 | + | 3 50 | x |
31509 250 | + | 3 50 | x | = | x |
3 50 | x | − | x | = | - | 31509 250 |
- | 47 50 | x | = | - | 31509 250 |
31509 250 | = | 47 50 | x |
47 50 | x | = | 31509 250 |
x | = | 31509 250 | ÷ | 47 50 |
= | 31509 250 | × | 50 47 |
= | 31509 5 | × | 1 47 |
x | = | 31509 235 |
x | = | 134.080851 |