| ( | 25581 10 | − | y | ) | ÷ | y | = | 17 500 |
| Multiply both sides of the equation by: | y |
| ( | 25581 10 | − | y | ) | = | 17 500 | y |
25581 10 | − | y | = | 17 500 | y |
| - | y | − | 17 500 | y | = | - | 25581 10 |
| - | 517 500 | y | = | - | 25581 10 |
25581 10 | = | 517 500 | y |
517 500 | y | = | 25581 10 |
| y | = | 25581 10 | ÷ | 517 500 |
| = | 25581 10 | × | 500 517 |
| = | 25581 | × | 50 517 |
| y | = | 1279050 517 |
| y | = | 2473.984526 |