| ( | Y | × | 1 5 | − | 10500 | ) | ÷ | 2 | = | Y | − | 96000 |
| Left side of the equation = | Y | × | 1 5 | × | 1 2 | − | 10500 | × | 1 2 |
| = | Y | × | 1 10 | − | 5250 |
1 10 | Y | − | 5250 | = | Y | − | 96000 |
1 10 | Y | − | Y | = | - | 96000 | + | 5250 |
| - | 9 10 | Y | = | - | 96000 | + | 5250 |
| - | 9 10 | Y | = | - | 90750 |
| 90750 | = | 9 10 | Y |
9 10 | Y | = | 90750 |
| Y | = | 90750 | ÷ | 9 10 |
| = | 90750 | × | 10 9 |
| = | 30250 | × | 10 3 |
| Y | = | 302500 3 |
| Y | = | 100833.333333 |