| ( | 11845 2 | − | x | ) | ÷ | x | = | - | 21 10 |
| Multiply both sides of the equation by: | x |
| ( | 11845 2 | − | x | ) | = | - | 21 10 | x |
11845 2 | − | x | = | - | 21 10 | x |
| - | x | + | 21 10 | x | = | - | 11845 2 |
11 10 | x | = | - | 11845 2 |
| x | = | - | 11845 2 | ÷ | 11 10 |
| = | - | 11845 2 | × | 10 11 |
| = | - | 11845 | × | 5 11 |
| x | = | - | 59225 11 |
| x | = | - 5384.090909 |