| x | = | 851 10 | + | x | × | 110 100 | × | 22 2500 | + | 2 5 | + | x | × | 13 10000 | + | x | × | 5 100 | + | x | × | 20 100 |
| 方程右边 = | 851 10 | + | x | × | 121 12500 | + | 2 5 | + | x | × | 13 10000 | + | x | × | 5 100 | + | x | × | 20 100 |
| = | 171 2 | + | 13049 50000 | x |
| x | = | 171 2 | + | 13049 50000 | x |
| x | − | 13049 50000 | x | = | 171 2 |
36951 50000 | x | = | 171 2 |
| x | = | 171 2 | ÷ | 36951 50000 |
| = | 171 2 | × | 50000 36951 |
| = | 57 | × | 25000 12317 |
| x | = | 1425000 12317 |
| x | = | 115.693757 |