| ( | ( | x | × | 10000 | × | 261 20 | ) | ÷ | ( | x | + | 10000 | × | 261 20 | ) | ) | − | ( | ( | x | × | 10000 | ) | ÷ | ( | x | + | 10000 | ) | ) | = | 6000 |
| ( | x | × | 10000 | × | 261 20 | ) | ÷ | ( | x | + | 10000 | × | 261 20 | ) | − | ( | ( | x | × | 10000 | ) | ÷ | ( | x | + | 10000 | ) | ) | = | 6000 |
| Multiply both sides of the equation by: | ( | x | + | 10000 | × | 261 20 | ) |
| ( | x | × | 10000 | × | 261 20 | ) | − | ( | ( | x | × | 10000 | ) | ÷ | ( | x | + | 10000 | ) | ) | ( | x | + | 10000 | × | 261 20 | ) | = | 6000 | ( | x | + | 10000 | × | 261 20 | ) |
| x | × | 10000 | × | 261 20 | − | ( | ( | x | × | 10000 | ) | ÷ | ( | x | + | 10000 | ) | ) | ( | x | + | 10000 | × | 261 20 | ) | = | 6000 | ( | x | + | 10000 | × | 261 20 | ) |
| x | × | 10000 | × | 261 20 | − | ( | ( | x | × | 10000 | ) | ÷ | ( | x | + | 10000 | ) | ) | ( | x | + | 10000 | × | 261 20 | ) | = | 6000 | x | + | 6000 | × | 10000 | × | 261 20 |