( | 13137 500 | + | x | ) | × | 43 20 | = | 52549 1000 | + | 71123 1000 | − | x |
方程左边 = | 13137 500 | × | 43 20 | + | x | × | 43 20 |
= | 564891 10000 | + | x | × | 43 20 |
564891 10000 | + | 43 20 | x | = | 52549 1000 | + | 71123 1000 | − | x |
方程右边 = | 15459 125 | − | x |
564891 10000 | + | 43 20 | x | = | 15459 125 | − | x |
43 20 | x | + | x | = | 15459 125 | − | 564891 10000 |
63 20 | x | = | 15459 125 | − | 564891 10000 |
63 20 | x | = | 671829 10000 |
x | = | 671829 10000 | ÷ | 63 20 |
= | 671829 10000 | × | 20 63 |
= | 223943 500 | × | 1 21 |
x | = | 223943 10500 |
x | = | 21.327905 |