| ( | 33 | − | 32 | ) | ÷ | ( | 32 | − | 28 | ) | = | ( | 55 | − | t | ) | ÷ | ( | t | − | 41 | ) |
| Multiply both sides of the equation by: | ( | 32 | − | 28 | ) | , | ( | t | − | 41 | ) |
| ( | 33 | − | 32 | ) | ( | t | − | 41 | ) | = | ( | 55 | − | t | ) | ( | 32 | − | 28 | ) |
| 33 | ( | t | − | 41 | ) | − | 32 | ( | t | − | 41 | ) | = | ( | 55 | − | t | ) | ( | 32 | − | 28 | ) |
| 33 | ( | t | − | 41 | ) | − | 32 | ( | t | − | 41 | ) | = | 55 | ( | 32 | − | 28 | ) | − | t | ( | 32 | − | 28 | ) |
| 33 | t | − | 33 | × | 41 | − | 32 | ( | t | − | 41 | ) | = | 55 | ( | 32 | − | 28 | ) | − | t | ( | 32 | − | 28 | ) |
| 33 | t | − | 33 | × | 41 | − | 32 | ( | t | − | 41 | ) | = | 55 | × | 32 | − | 55 | × | 28 | − | t | ( | 32 | − | 28 | ) |
| 33 | t | − | 1353 | − | 32 | ( | t | − | 41 | ) | = | 1760 | − | 1540 | − | t | ( | 32 | − | 28 | ) |
| 33 | t | − | 1353 | − | 32 | ( | t | − | 41 | ) | = | 220 | − | t | ( | 32 | − | 28 | ) |
| 33 | t | − | 1353 | − | 32 | t | + | 32 | × | 41 | = | 220 | − | t | ( | 32 | − | 28 | ) |
| 33 | t | − | 1353 | − | 32 | t | + | 32 | × | 41 | = | 220 | − | t | × | 32 | + | t | × | 28 |
| 33 | t | − | 1353 | − | 32 | t | + | 1312 | = | 220 | − | t | × | 32 | + | t | × | 28 |
| 1 | t | − | 41 | = | 220 | − | 4 | t |
| 1 | t | + | 4 | t | = | 220 | + | 41 |
| 5 | t | = | 220 | + | 41 |
| 5 | t | = | 261 |
| t | = | 261 | ÷ | 5 |
| = | 261 | × | 1 5 |
| t | = | 261 5 |
| t | = | 52.2 |