18 | + | 91 10 | + | x | × | 14 5 | × | 3 | + | 62 5 | x | = | 47 2 | x | ÷ | 53 50 | ÷ | 6 5 |
方程左边 = | 18 | + | 91 10 | + | x | × | 42 5 | + | 62 5 | x |
= | 271 10 | + | 104 5 | x |
271 10 | + | 104 5 | x | = | 47 2 | x | ÷ | 53 50 | ÷ | 6 5 |
方程右边 = | 5875 318 | x |
271 10 | + | 104 5 | x | = | 5875 318 | x |
104 5 | x | − | 5875 318 | x | = | - | 271 10 |
3697 1590 | x | = | - | 271 10 |
x | = | - | 271 10 | ÷ | 3697 1590 |
= | - | 271 10 | × | 1590 3697 |
= | - | 271 | × | 159 3697 |
x | = | - | 43089 3697 |
x | = | - 11.655126 |