433 2 | = | 80 | a | × | 1 | ÷ | ( | 80 | + | 609 | ) |
| Multiply both sides of the equation by: | ( | 80 | + | 609 | ) |
433 2 | ( | 80 | + | 609 | ) | = | 80 | a | × | 1 |
433 2 | × | 80 | + | 433 2 | × | 609 | = | 80 | a | × | 1 |
| 17320 | + | 263697 2 | = | 80 | a |
298337 2 | = | 80 | a |
| - | 80 | a | = | - | 298337 2 |
298337 2 | = | 80 | a |
| 80 | a | = | 298337 2 |
| a | = | 298337 2 | ÷ | 80 |
| = | 298337 2 | × | 1 80 |
| a | = | 298337 160 |
| a | = | 1864.60625 |