13860 | = | ( | 260 | × | 63 | − | x | ) | × | 19 20 | + | 8 | ( | 63 | + | 9 | ) |
方程右边 = | 260 | × | 63 | × | 19 20 | − | x | × | 19 20 | + | 8 | ( | 63 | + | 9 | ) |
= | 15561 | − | x | × | 19 20 | + | 8 | ( | 63 | + | 9 | ) |
= | 15561 | − | 19 20 | x | + | 8 | × | 63 | + | 8 | × | 9 |
= | 15561 | − | 19 20 | x | + | 504 | + | 72 |
= | 16137 | − | 19 20 | x |
13860 | = | 16137 | − | 19 20 | x |
19 20 | x | = | 16137 | − | 13860 |
19 20 | x | = | 2277 |
x | = | 2277 | ÷ | 19 20 |
= | 2277 | × | 20 19 |
x | = | 45540 19 |
x | = | 2396.842105 |