| x | ( | 5 | + | x | ) | ÷ | ( | ( | 1 | − | x | ) | ( | 6 | + | x | ) | ) | = | 149 500 |
| Multiply both sides of the equation by: | ( | ( | 1 | − | x | ) | ( | 6 | + | x | ) | ) |
| x | ( | 5 | + | x | ) | = | 149 500 | ( | ( | 1 | − | x | ) | ( | 6 | + | x | ) | ) |
| x | × | 5 | + | x | x | = | 149 500 | ( | ( | 1 | − | x | ) | ( | 6 | + | x | ) | ) |
| x | × | 5 | + | x | x | = | 149 500 | ( | 1 | − | x | ) | ( | 6 | + | x | ) |
| 5 | x | + | x | x | = | 149 500 | × | 1 | ( | 6 | + | x | ) | − | 149 500 | x | ( | 6 | + | x | ) |
| 5 | x | + | x | x | = | 149 500 | ( | 6 | + | x | ) | − | 149 500 | x | ( | 6 | + | x | ) |
| 5 | x | + | x | x | = | 149 500 | × | 6 | + | 149 500 | x | − | 149 500 | x | ( | 6 | + | x | ) |
| 5 | x | + | x | x | = | 447 250 | + | 149 500 | x | − | 149 500 | x | ( | 6 | + | x | ) |
| 5 | x | + | x | x | = | 447 250 | + | 149 500 | x | − | 149 500 | x | × | 6 | − | 149 500 | x | x |
| 5 | x | + | x | x | = | 447 250 | + | 149 500 | x | − | 447 250 | x | − | 149 500 | x | x |
| 5 | x | + | x | x | = | 447 250 | − | 149 100 | x | − | 149 500 | x | x |