( | 40221 1000 | + | x | ) | × | 23 20 | = | 40221 1000 | + | 35621 500 | − | x |
方程左边 = | 40221 1000 | × | 23 20 | + | x | × | 23 20 |
= | 925083 20000 | + | x | × | 23 20 |
925083 20000 | + | 23 20 | x | = | 40221 1000 | + | 35621 500 | − | x |
方程右边 = | 111463 1000 | − | x |
925083 20000 | + | 23 20 | x | = | 111463 1000 | − | x |
23 20 | x | + | x | = | 111463 1000 | − | 925083 20000 |
43 20 | x | = | 111463 1000 | − | 925083 20000 |
43 20 | x | = | 1304177 20000 |
x | = | 1304177 20000 | ÷ | 43 20 |
= | 1304177 20000 | × | 20 43 |
= | 1304177 1000 | × | 1 43 |
x | = | 1304177 43000 |
x | = | 30.329698 |