| ( | ( | 10000 | ÷ | ( | x | + | 53 | ) | × | 2 | ) | + | ( | 10000 | ÷ | x | ) | ) | ÷ | 3 | × | 15 | = | 750 |
| ( | 10000 | ÷ | ( | x | + | 53 | ) | × | 2 | ) | ÷ | 3 | × | 15 | + | ( | 10000 | ÷ | x | ) | ÷ | 3 | × | 15 | = | 750 |
| ( | 10000 | ÷ | ( | x | + | 53 | ) | × | 2 | ) | × | 5 | + | ( | 10000 | ÷ | x | ) | × | 5 | = | 750 |
| 10000 | ÷ | ( | x | + | 53 | ) | × | 2 | × | 5 | + | ( | 10000 | ÷ | x | ) | × | 5 | = | 750 |
| 100000 | ÷ | ( | x | + | 53 | ) | + | ( | 10000 | ÷ | x | ) | × | 5 | = | 750 |
| Multiply both sides of the equation by: | ( | x | + | 53 | ) |
| 100000 | + | ( | 10000 | ÷ | x | ) | × | 5 | ( | x | + | 53 | ) | = | 750 | ( | x | + | 53 | ) |
| 100000 | + | 10000 | ÷ | x | × | 5 | ( | x | + | 53 | ) | = | 750 | ( | x | + | 53 | ) |
| 100000 | + | 10000 | ÷ | x | × | 5 | ( | x | + | 53 | ) | = | 750 | x | + | 750 | × | 53 |
| 100000 | + | 50000 | ÷ | x | × | ( | x | + | 53 | ) | = | 750 | x | + | 39750 |
| Multiply both sides of the equation by: | x |
| 100000 | x | + | 50000 | ( | x | + | 53 | ) | = | 750 | x | x | + | 39750 | x |
| 100000 | x | + | 50000 | x | + | 50000 | × | 53 | = | 750 | x | x | + | 39750 | x |
| 100000 | x | + | 50000 | x | + | 2650000 | = | 750 | x | x | + | 39750 | x |
| 150000 | x | + | 2650000 | = | 750 | x | x | + | 39750 | x |