| ( | 59 20 | + | X | ) | ÷ | 2 | × | 1 2 | × | 759 20 | = | 175 |
| Left side of the equation = | ( | 59 20 | + | X | ) | × | 759 80 |
| ( | 59 20 | + | X | ) | × | 759 80 | = | 175 |
| Left side of the equation = | 59 20 | × | 759 80 | + | X | × | 759 80 |
| = | 44781 1600 | + | X | × | 759 80 |
44781 1600 | + | 759 80 | X | = | 175 |
759 80 | X | = | 175 | − | 44781 1600 |
759 80 | X | = | 235219 1600 |
| X | = | 235219 1600 | ÷ | 759 80 |
| = | 235219 1600 | × | 80 759 |
| = | 235219 20 | × | 1 759 |
| X | = | 235219 15180 |
| X | = | 15.495323 |