( | 220 | × | 63 | − | x | ) | × | 19 20 | + | 63 | × | 8 | = | 13167 |
方程左边 = | ( | 220 | × | 63 | − | x | ) | × | 19 20 | + | 504 |
( | 220 | × | 63 | − | x | ) | × | 19 20 | + | 504 | = | 13167 |
方程左边 = | 220 | × | 63 | × | 19 20 | − | x | × | 19 20 | + | 504 |
= | 13167 | − | x | × | 19 20 | + | 504 |
= | 13671 | − | 19 20 | x |
13671 | − | 19 20 | x | = | 13167 |
- | 19 20 | x | = | 13167 | − | 13671 |
- | 19 20 | x | = | - | 504 |
504 | = | 19 20 | x |
19 20 | x | = | 504 |
x | = | 504 | ÷ | 19 20 |
= | 504 | × | 20 19 |
x | = | 10080 19 |
x | = | 530.526316 |