| ( | 31 | − | 29 | ) | ÷ | ( | 29 | − | 22 | ) | = | ( | 55 | − | t | ) | ÷ | ( | t | − | 41 | ) |
| Multiply both sides of the equation by: | ( | 29 | − | 22 | ) | , | ( | t | − | 41 | ) |
| ( | 31 | − | 29 | ) | ( | t | − | 41 | ) | = | ( | 55 | − | t | ) | ( | 29 | − | 22 | ) |
| 31 | ( | t | − | 41 | ) | − | 29 | ( | t | − | 41 | ) | = | ( | 55 | − | t | ) | ( | 29 | − | 22 | ) |
| 31 | ( | t | − | 41 | ) | − | 29 | ( | t | − | 41 | ) | = | 55 | ( | 29 | − | 22 | ) | − | t | ( | 29 | − | 22 | ) |
| 31 | t | − | 31 | × | 41 | − | 29 | ( | t | − | 41 | ) | = | 55 | ( | 29 | − | 22 | ) | − | t | ( | 29 | − | 22 | ) |
| 31 | t | − | 31 | × | 41 | − | 29 | ( | t | − | 41 | ) | = | 55 | × | 29 | − | 55 | × | 22 | − | t | ( | 29 | − | 22 | ) |
| 31 | t | − | 1271 | − | 29 | ( | t | − | 41 | ) | = | 1595 | − | 1210 | − | t | ( | 29 | − | 22 | ) |
| 31 | t | − | 1271 | − | 29 | ( | t | − | 41 | ) | = | 385 | − | t | ( | 29 | − | 22 | ) |
| 31 | t | − | 1271 | − | 29 | t | + | 29 | × | 41 | = | 385 | − | t | ( | 29 | − | 22 | ) |
| 31 | t | − | 1271 | − | 29 | t | + | 29 | × | 41 | = | 385 | − | t | × | 29 | + | t | × | 22 |
| 31 | t | − | 1271 | − | 29 | t | + | 1189 | = | 385 | − | t | × | 29 | + | t | × | 22 |
| 2 | t | − | 82 | = | 385 | − | 7 | t |
| 2 | t | + | 7 | t | = | 385 | + | 82 |
| 9 | t | = | 385 | + | 82 |
| 9 | t | = | 467 |
| t | = | 467 | ÷ | 9 |
| = | 467 | × | 1 9 |
| t | = | 467 9 |
| t | = | 51.888889 |