| ( | 5 | ÷ | 12 | × | x | + | 4 | ) | ÷ | ( | x | + | 4 | ) | = | 6 | ÷ | 13 |
| Multiply both sides of the equation by: | ( | x | + | 4 | ) |
| ( | 5 | ÷ | 12 | × | x | + | 4 | ) | = | 6 | ÷ | 13 | × | ( | x | + | 4 | ) |
| 5 | ÷ | 12 | × | x | + | 4 | = | 6 | ÷ | 13 | × | ( | x | + | 4 | ) |
| 5 | ÷ | 12 | × | x | + | 4 | = | 6 | ÷ | 13 | × | x | + | 6 | ÷ | 13 | × | 4 |
5 12 | x | + | 4 | = | 6 13 | x | + | 24 13 |
5 12 | x | − | 6 13 | x | = | 24 13 | − | 4 |
| - | 7 156 | x | = | 24 13 | − | 4 |
| - | 7 156 | x | = | - | 28 13 |
28 13 | = | 7 156 | x |
7 156 | x | = | 28 13 |
| x | = | 28 13 | ÷ | 7 156 |
| = | 28 13 | × | 156 7 |
| = | 4 | × | 12 |
| x | = | 48 |