| ( | 90547 | − | 5 2 | X | ) | × | 12 | ÷ | 22 | × | 9 10 | = | 19413 | + | 10 | X |
| Left side of the equation = | ( | 90547 | − | 5 2 | X | ) | × | 27 55 |
| ( | 90547 | − | 5 2 | X | ) | × | 27 55 | = | 19413 | + | 10 | X |
| Left side of the equation = | 90547 | × | 27 55 | − | 5 2 | X | × | 27 55 |
| = | 2444769 55 | − | 27 22 | X |
2444769 55 | − | 27 22 | X | = | 19413 | + | 10 | X |
| - | 27 22 | X | − | 10 | X | = | 19413 | − | 2444769 55 |
| - | 247 22 | X | = | 19413 | − | 2444769 55 |
| - | 247 22 | X | = | - | 1377054 55 |
1377054 55 | = | 247 22 | X |
247 22 | X | = | 1377054 55 |
| X | = | 1377054 55 | ÷ | 247 22 |
| = | 1377054 55 | × | 22 247 |
| = | 1377054 5 | × | 2 247 |
| X | = | 2754108 1235 |
| X | = | 2230.046964 |