| 20 | ÷ | 102 | + | 8 | ÷ | 447 10 | + | X | ÷ | 255 2 | = | 37 50 |
| Left side of the equation = | 10 51 | + | 80 447 | + | X | × | 2 255 |
| = | 950 2533 | + | 2 255 | X |
950 2533 | + | 2 255 | X | = | 37 50 |
2 255 | X | = | 37 50 | − | 950 2533 |
2 255 | X | = | 46221 126650 |
| X | = | 46221 126650 | ÷ | 2 255 |
| = | 46221 126650 | × | 255 2 |
| = | 46221 1490 | × | 3 2 |
| X | = | 138663 2980 |
| X | = | 46.531208 |