142813 10 | × | 300 | + | 1562 5 | × | 4006 | + | 7427 5 | x | − | 130851 1000 | × | 50000 | = | 2929014 5 |
| 方程左边 = | 4284390 | + | 6257372 5 | + | 7427 5 | x | − | 6542550 |
| = | - | 5033428 5 | + | 7427 5 | x |
| - | 5033428 5 | + | 7427 5 | x | = | 2929014 5 |
7427 5 | x | = | 2929014 5 | + | 5033428 5 |
7427 5 | x | = | 7962442 5 |
| x | = | 7962442 5 | ÷ | 7427 5 |
| = | 7962442 5 | × | 5 7427 |
| = | 7962442 | × | 1 7427 |
| x | = | 7962442 7427 |
| x | = | 1072.093981 |