| 1 | ÷ | 2 | × | ( | - | 1 | − | t | − | 1 | ) | − | 1 | ÷ | 2 | × | ( | 5 | − | 2 | t | + | 5 | ) | = | 2 |
| 方程左边 = | 1 2 | ( | - | 1 | − | t | − | 1 | ) | − | 1 2 | ( | 5 | − | 2 | t | + | 5 | ) |
1 2 | ( | - | 1 | − | t | − | 1 | ) | − | 1 2 | ( | 5 | − | 2 | t | + | 5 | ) | = | 2 |
| 方程左边 = | - | 1 2 | × | 1 | − | 1 2 | t | − | 1 2 | × | 1 | − | 1 2 | ( | 5 | − | 2 | t | + | 5 | ) |
| = | - | 1 2 | − | 1 2 | t | − | 1 2 | − | 1 2 | ( | 5 | − | 2 | t | + | 5 | ) |
| = | - | 1 | − | 1 2 | t | − | 1 2 | ( | 5 | − | 2 | t | + | 5 | ) |
| = | - | 1 | − | 1 2 | t | − | 1 2 | × | 5 | + | 1 2 | × | 2 | t | − | 1 2 | × | 5 |
| = | - | 1 | − | 1 2 | t | − | 5 2 | + | 1 | t | − | 5 2 |
| = | - | 6 | + | 1 2 | t |
| - | 6 | + | 1 2 | t | = | 2 |
1 2 | t | = | 2 | + | 6 |
1 2 | t | = | 8 |
| t | = | 8 | ÷ | 1 2 |
| = | 8 | × | 2 |
| t | = | 16 |