413 10000 | = | 40 100 | x | + | 60 100 | x | + | 60 100 | x | × | 11 200 |
| 方程右边 = | 40 100 | x | + | 60 100 | x | + | 33 1000 | x |
| = | 1033 1000 | x |
413 10000 | = | 1033 1000 | x |
| - | 1033 1000 | x | = | - | 413 10000 |
413 10000 | = | 1033 1000 | x |
1033 1000 | x | = | 413 10000 |
| x | = | 413 10000 | ÷ | 1033 1000 |
| = | 413 10000 | × | 1000 1033 |
| = | 413 10 | × | 1 1033 |
| x | = | 413 10330 |
| x | = | 0.039981 |