| ( | 2593 5 | − | y | ) | ÷ | y | = | 11 500 |
| Multiply both sides of the equation by: | y |
| ( | 2593 5 | − | y | ) | = | 11 500 | y |
2593 5 | − | y | = | 11 500 | y |
| - | y | − | 11 500 | y | = | - | 2593 5 |
| - | 511 500 | y | = | - | 2593 5 |
2593 5 | = | 511 500 | y |
511 500 | y | = | 2593 5 |
| y | = | 2593 5 | ÷ | 511 500 |
| = | 2593 5 | × | 500 511 |
| = | 2593 | × | 100 511 |
| y | = | 259300 511 |
| y | = | 507.436399 |