| 100 | ÷ | x | + | 100 | ÷ | ( | x | + | 50 | ) | + | 76 | ÷ | ( | 72 | + | x | ) | = | 0 |
| Multiply both sides of the equation by: | x |
| 100 | + | 100 | ÷ | ( | x | + | 50 | ) | × | x | + | 76 | ÷ | ( | 72 | + | x | ) | × | x | = | 0 |
| Multiply both sides of the equation by: | ( | x | + | 50 | ) |
| 100 | ( | x | + | 50 | ) | + | 100 | x | + | 76 | ÷ | ( | 72 | + | x | ) | × | x | ( | x | + | 50 | ) | = | 0 |
| 100 | x | + | 100 | × | 50 | + | 100 | x | + | 76 | ÷ | ( | 72 | + | x | ) | × | x | ( | x | + | 50 | ) | = | 0 |
| 100 | x | + | 5000 | + | 100 | x | + | 76 | ÷ | ( | 72 | + | x | ) | × | x | ( | x | + | 50 | ) | = | 0 |
| 200 | x | + | 5000 | + | 76 | ÷ | ( | 72 | + | x | ) | × | x | ( | x | + | 50 | ) | = | 0 |
| Multiply both sides of the equation by: | ( | 72 | + | x | ) |
| 200 | x | ( | 72 | + | x | ) | + | 5000 | ( | 72 | + | x | ) | + | 76 | x | ( | x | + | 50 | ) | = | 0 |
| 200 | x | × | 72 | + | 200 | x | x | + | 5000 | ( | 72 | + | x | ) | + | 76 | x | ( | x | + | 50 | ) | = | 0 |
| 14400 | x | + | 200 | x | x | + | 5000 | ( | 72 | + | x | ) | + | 76 | x | ( | x | + | 50 | ) | = | 0 |
| 14400 | x | + | 200 | x | x | + | 5000 | × | 72 | + | 5000 | x | + | 76 | x | ( | x | + | 50 | ) | = | 0 |
| 14400 | x | + | 200 | x | x | + | 360000 | + | 5000 | x | + | 76 | x | ( | x | + | 50 | ) | = | 0 |
| 19400 | x | + | 200 | x | x | + | 360000 | + | 76 | x | ( | x | + | 50 | ) | = | 0 |
| 19400 | x | + | 200 | x | x | + | 360000 | + | 76 | x | x | + | 76 | x | × | 50 | = | 0 |
| 19400 | x | + | 200 | x | x | + | 360000 | + | 76 | x | x | + | 3800 | x | = | 0 |
| 23200 | x | + | 200 | x | x | + | 360000 | + | 76 | x | x | = | 0 |