1 20 | ( | 1566813 2500 | + | x | ) | = | x |
| 方程左边 = | 1 20 | × | 1566813 2500 | + | 1 20 | x |
| = | 1566813 50000 | + | 1 20 | x |
1566813 50000 | + | 1 20 | x | = | x |
1 20 | x | − | x | = | - | 1566813 50000 |
| - | 19 20 | x | = | - | 1566813 50000 |
1566813 50000 | = | 19 20 | x |
19 20 | x | = | 1566813 50000 |
| x | = | 1566813 50000 | ÷ | 19 20 |
| = | 1566813 50000 | × | 20 19 |
| = | 1566813 2500 | × | 1 19 |
| x | = | 1566813 47500 |
| x | = | 32.985537 |