| ( | 77011 | − | 3 2 | X | ) | × | 42 5 | ÷ | 97 5 | = | 18696 | + | 7 | X |
| Left side of the equation = | ( | 77011 | − | 3 2 | X | ) | × | 42 97 |
| ( | 77011 | − | 3 2 | X | ) | × | 42 97 | = | 18696 | + | 7 | X |
| Left side of the equation = | 77011 | × | 42 97 | − | 3 2 | X | × | 42 97 |
| = | 3234462 97 | − | 63 97 | X |
3234462 97 | − | 63 97 | X | = | 18696 | + | 7 | X |
| - | 63 97 | X | − | 7 | X | = | 18696 | − | 3234462 97 |
| - | 742 97 | X | = | 18696 | − | 3234462 97 |
| - | 742 97 | X | = | - | 1420950 97 |
1420950 97 | = | 742 97 | X |
742 97 | X | = | 1420950 97 |
| X | = | 1420950 97 | ÷ | 742 97 |
| = | 1420950 97 | × | 97 742 |
| = | 710475 | × | 1 371 |
| X | = | 710475 371 |
| X | = | 1915.026954 |