| 18 | ÷ | 102 | + | 11 | ÷ | 447 10 | + | X | ÷ | 255 2 | + | ( | 272 5 | − | X | ) | ÷ | 1000 | = | 37 50 |
| Left side of the equation = | 3 17 | + | 110 447 | + | X | × | 2 255 | + | ( | 272 5 | − | X | ) | × | 1 1000 |
| = | 3211 7599 | + | 2 255 | X | + | ( | 272 5 | − | X | ) | × | 1 1000 |
3211 7599 | + | 2 255 | X | + | ( | 272 5 | − | X | ) | × | 1 1000 | = | 37 50 |
| Left side of the equation = | 3211 7599 | + | 2 255 | X | + | 272 5 | × | 1 1000 | − | X | × | 1 1000 |
| = | 3211 7599 | + | 2 255 | X | + | 34 625 | − | X | × | 1 1000 |
| = | 2265241 4749375 | + | 349 51000 | X |
2265241 4749375 | + | 349 51000 | X | = | 37 50 |
349 51000 | X | = | 37 50 | − | 2265241 4749375 |
349 51000 | X | = | 2498593 9498750 |
| X | = | 2498593 9498750 | ÷ | 349 51000 |
| = | 2498593 9498750 | × | 51000 349 |
| = | 2498593 745 | × | 4 349 |
| X | = | 9994372 260005 |
| X | = | 38.439153 |