| x | = | 3 20 | x | + | 1001043 25 | + | 45719 100 | + | 42 625 | x |
| 方程右边 = | 543 2500 | x | + | 4049891 100 |
| x | = | 543 2500 | x | + | 4049891 100 |
| x | − | 543 2500 | x | = | 4049891 100 |
1957 2500 | x | = | 4049891 100 |
| x | = | 4049891 100 | ÷ | 1957 2500 |
| = | 4049891 100 | × | 2500 1957 |
| = | 4049891 | × | 25 1957 |
| x | = | 101247275 1957 |
| x | = | 51735.960654 |