| ( | X | − | 15 100 | ) | ÷ | ( | 17 100 | − | 15 100 | ) | = | ( | 0 | − | 45 | ) | ÷ | ( | 10 | − | 45 | ) |
| Multiply both sides of the equation by: | ( | 17 100 | − | 15 100 | ) | , | ( | 10 | − | 45 | ) |
| ( | X | − | 15 100 | ) | ( | 10 | − | 45 | ) | = | ( | 0 | − | 45 | ) | ( | 17 100 | − | 15 100 | ) |
| X | ( | 10 | − | 45 | ) | − | 15 100 | ( | 10 | − | 45 | ) | = | ( | 0 | − | 45 | ) | ( | 17 100 | − | 15 100 | ) |
| X | ( | 10 | − | 45 | ) | − | 15 100 | ( | 10 | − | 45 | ) | = | 0 | ( | 17 100 | − | 15 100 | ) | − | 45 | ( | 17 100 | − | 15 100 | ) |
| X | × | 10 | − | X | × | 45 | − | 15 100 | ( | 10 | − | 45 | ) | = | 0 | ( | 17 100 | − | 15 100 | ) | − | 45 | ( | 17 100 | − | 15 100 | ) |
| X | × | 10 | − | X | × | 45 | − | 15 100 | ( | 10 | − | 45 | ) | = | 0 | × | 17 100 | − | 0 | × | 15 100 | − | 45 | ( | 17 100 | − | 15 100 | ) |
| X | × | 10 | − | X | × | 45 | − | 15 100 | ( | 10 | − | 45 | ) | = | 0 | − | 0 | − | 45 | ( | 17 100 | − | 15 100 | ) |
| - | 35 | X | − | 15 100 | ( | 10 | − | 45 | ) | = | 0 | − | 45 | ( | 17 100 | − | 15 100 | ) |
| - | 35 | X | − | 15 100 | × | 10 | + | 15 100 | × | 45 | = | - | 45 | ( | 17 100 | − | 15 100 | ) |
| - | 35 | X | − | 15 100 | × | 10 | + | 15 100 | × | 45 | = | - | 45 | × | 17 100 | + | 45 | × | 15 100 |
| - | 35 | X | − | 3 2 | + | 27 4 | = | - | 153 20 | + | 27 4 |
| - | 35 | X | + | 21 4 | = | - | 9 10 |
| - | 35 | X | = | - | 9 10 | − | 21 4 |
| - | 35 | X | = | - | 123 20 |
123 20 | = | 35 | X |
| 35 | X | = | 123 20 |
| X | = | 123 20 | ÷ | 35 |
| = | 123 20 | × | 1 35 |
| X | = | 123 700 |
| X | = | 0.175714 |