| ( | 58291 10 | − | y | ) | ÷ | y | = | 11 500 |
| Multiply both sides of the equation by: | y |
| ( | 58291 10 | − | y | ) | = | 11 500 | y |
58291 10 | − | y | = | 11 500 | y |
| - | y | − | 11 500 | y | = | - | 58291 10 |
| - | 511 500 | y | = | - | 58291 10 |
58291 10 | = | 511 500 | y |
511 500 | y | = | 58291 10 |
| y | = | 58291 10 | ÷ | 511 500 |
| = | 58291 10 | × | 500 511 |
| = | 58291 | × | 50 511 |
| y | = | 2914550 511 |
| y | = | 5703.620352 |