| ( | 70 | − | 28 | ) | ÷ | ( | 28 | − | 56 | ) | = | ( | 70 | − | T | ) | ÷ | ( | T | − | 56 | ) |
| Multiply both sides of the equation by: | ( | 28 | − | 56 | ) | , | ( | T | − | 56 | ) |
| ( | 70 | − | 28 | ) | ( | T | − | 56 | ) | = | ( | 70 | − | T | ) | ( | 28 | − | 56 | ) |
| 70 | ( | T | − | 56 | ) | − | 28 | ( | T | − | 56 | ) | = | ( | 70 | − | T | ) | ( | 28 | − | 56 | ) |
| 70 | ( | T | − | 56 | ) | − | 28 | ( | T | − | 56 | ) | = | 70 | ( | 28 | − | 56 | ) | − | T | ( | 28 | − | 56 | ) |
| 70 | T | − | 70 | × | 56 | − | 28 | ( | T | − | 56 | ) | = | 70 | ( | 28 | − | 56 | ) | − | T | ( | 28 | − | 56 | ) |
| 70 | T | − | 70 | × | 56 | − | 28 | ( | T | − | 56 | ) | = | 70 | × | 28 | − | 70 | × | 56 | − | T | ( | 28 | − | 56 | ) |
| 70 | T | − | 3920 | − | 28 | ( | T | − | 56 | ) | = | 1960 | − | 3920 | − | T | ( | 28 | − | 56 | ) |
| 70 | T | − | 3920 | − | 28 | ( | T | − | 56 | ) | = | - | 1960 | − | T | ( | 28 | − | 56 | ) |
| 70 | T | − | 3920 | − | 28 | T | + | 28 | × | 56 | = | - | 1960 | − | T | ( | 28 | − | 56 | ) |
| 70 | T | − | 3920 | − | 28 | T | + | 28 | × | 56 | = | - | 1960 | − | T | × | 28 | + | T | × | 56 |
| 70 | T | − | 3920 | − | 28 | T | + | 1568 | = | - | 1960 | − | T | × | 28 | + | T | × | 56 |
| 42 | T | − | 2352 | = | - | 1960 | + | 28 | T |
| 42 | T | − | 28 | T | = | - | 1960 | + | 2352 |
| 14 | T | = | - | 1960 | + | 2352 |
| 14 | T | = | 392 |
| T | = | 392 | ÷ | 14 |
| = | 392 | × | 1 14 |
| = | 28 | × | 1 |
| T | = | 28 |