1607 10 | × | 199 25 | + | 239 20 | x | = | ( | 1607 10 | + | x | ) | × | 797 100 |
| 方程左边 = | 319793 250 | + | 239 20 | x |
319793 250 | + | 239 20 | x | = | ( | 1607 10 | + | x | ) | × | 797 100 |
| 方程右边 = | 1607 10 | × | 797 100 | + | x | × | 797 100 |
| = | 1280779 1000 | + | x | × | 797 100 |
319793 250 | + | 239 20 | x | = | 1280779 1000 | + | 797 100 | x |
239 20 | x | − | 797 100 | x | = | 1280779 1000 | − | 319793 250 |
199 50 | x | = | 1280779 1000 | − | 319793 250 |
199 50 | x | = | 1607 1000 |
| x | = | 1607 1000 | ÷ | 199 50 |
| = | 1607 1000 | × | 50 199 |
| = | 1607 20 | × | 1 199 |
| x | = | 1607 3980 |
| x | = | 0.403769 |