| ( | 77011 | − | 3 2 | X | ) | × | 42 5 | ÷ | 97 5 | × | 9 10 | = | 18696 | + | 7 | X |
| Left side of the equation = | ( | 77011 | − | 3 2 | X | ) | × | 189 485 |
| ( | 77011 | − | 3 2 | X | ) | × | 189 485 | = | 18696 | + | 7 | X |
| Left side of the equation = | 77011 | × | 189 485 | − | 3 2 | X | × | 189 485 |
| = | 14555079 485 | − | 567 970 | X |
14555079 485 | − | 567 970 | X | = | 18696 | + | 7 | X |
| - | 567 970 | X | − | 7 | X | = | 18696 | − | 14555079 485 |
| - | 7357 970 | X | = | 18696 | − | 14555079 485 |
| - | 7357 970 | X | = | - | 5487519 485 |
5487519 485 | = | 7357 970 | X |
7357 970 | X | = | 5487519 485 |
| X | = | 5487519 485 | ÷ | 7357 970 |
| = | 5487519 485 | × | 970 7357 |
| = | 5487519 | × | 2 7357 |
| X | = | 10975038 7357 |
| X | = | 1491.781704 |