142813 10 | × | 300 | + | 1562 5 | × | 4003 | + | 7427 5 | x | − | 162723 1250 | × | 50000 | = | 2929014 5 |
| 方程左边 = | 4284390 | + | 6252686 5 | + | 7427 5 | x | − | 6508920 |
| = | - | 4869964 5 | + | 7427 5 | x |
| - | 4869964 5 | + | 7427 5 | x | = | 2929014 5 |
7427 5 | x | = | 2929014 5 | + | 4869964 5 |
7427 5 | x | = | 7798978 5 |
| x | = | 7798978 5 | ÷ | 7427 5 |
| = | 7798978 5 | × | 5 7427 |
| = | 7798978 | × | 1 7427 |
| x | = | 7798978 7427 |
| x | = | 1050.084556 |