| 14 | ÷ | ( | X | + | 14 | ) | − | 12 | ÷ | ( | X | + | 12 | ) | = | 3 100 |
| Multiply both sides of the equation by: | ( | X | + | 14 | ) |
| 14 | − | 12 | ÷ | ( | X | + | 12 | ) | × | ( | X | + | 14 | ) | = | 3 100 | ( | X | + | 14 | ) |
| 14 | − | 12 | ÷ | ( | X | + | 12 | ) | × | X | − | 12 | ÷ | ( | X | + | 12 | ) | × | 14 | = | 3 100 | ( | X | + | 14 | ) |
| 14 | − | 12 | ÷ | ( | X | + | 12 | ) | × | X | − | 12 | ÷ | ( | X | + | 12 | ) | × | 14 | = | 3 100 | X | + | 3 100 | × | 14 |
| 14 | − | 12 | ÷ | ( | X | + | 12 | ) | × | X | − | 168 | ÷ | ( | X | + | 12 | ) | = | 3 100 | X | + | 21 50 |
| Multiply both sides of the equation by: | ( | X | + | 12 | ) |
| 14 | ( | X | + | 12 | ) | − | 12 | X | − | 168 | = | 3 100 | X | ( | X | + | 12 | ) | + | 21 50 | ( | X | + | 12 | ) |
| 14 | X | + | 14 | × | 12 | − | 12 | X | − | 168 | = | 3 100 | X | ( | X | + | 12 | ) | + | 21 50 | ( | X | + | 12 | ) |
| 14 | X | + | 14 | × | 12 | − | 12 | X | − | 168 | = | 3 100 | X | X | + | 3 100 | X | × | 12 | + | 21 50 | ( | X | + | 12 | ) |
| 14 | X | + | 168 | − | 12 | X | − | 168 | = | 3 100 | X | X | + | 9 25 | X | + | 21 50 | ( | X | + | 12 | ) |
| 2 | X | + | 0 | = | 3 100 | X | X | + | 9 25 | X | + | 21 50 | ( | X | + | 12 | ) |
| 2 | X | = | 3 100 | X | X | + | 9 25 | X | + | 21 50 | X | + | 21 50 | × | 12 |
| 2 | X | = | 3 100 | X | X | + | 9 25 | X | + | 21 50 | X | + | 126 25 |
| 2 | X | = | 3 100 | X | X | + | 39 50 | X | + | 126 25 |
| X1= | 14 3 |
| X2=36 |