| 2 | − | ( | X | − | 160573 2500 | ) | = | 2 | × | 17 5 |
| Left side of the equation = | 2 | − | X | + | 160573 2500 |
| = | 165573 2500 | − | X |
165573 2500 | − | X | = | 2 | × | 17 5 |
| Right side of the equation = | 34 5 |
165573 2500 | − | X | = | 34 5 |
| - | X | = | 34 5 | − | 165573 2500 |
| - | X | = | - | 148573 2500 |
148573 2500 | = | X |
| X | = | 148573 2500 |