| 10 | ( | 380 | x | − | 380 | × | 380 | ) | ÷ | ( | ( | 380 | + | 380 | ) | ( | 380 | x | ) | ) | = | 0 |
| Multiply both sides of the equation by: | ( | ( | 380 | + | 380 | ) | ( | 380 | x | ) | ) |
| 10 | ( | 380 | x | − | 380 | × | 380 | ) | = | 0 |
| 10 | × | 380 | x | − | 10 | × | 380 | × | 380 | = | 0 |
| 3800 | x | − | 1444000 | = | 0 |
| 3800 | x | = | 0 | + | 1444000 |
| 3800 | x | = | 1444000 |
| x | = | 1444000 | ÷ | 3800 |
| = | 1444000 | × | 1 3800 |
| = | 380 | × | 1 |
| x | = | 380 |