| ( | 4481 | − | 1 2 | x | ) | ÷ | ( | 3293 | + | x | ) | = | 1 |
| 方程两边同时乘以: | ( | 3293 | + | x | ) |
| ( | 4481 | − | 1 2 | x | ) | = | 1 | ( | 3293 | + | x | ) |
| 4481 | − | 1 2 | x | = | 1 | ( | 3293 | + | x | ) |
| 4481 | − | 1 2 | x | = | 1 | × | 3293 | + | 1 | x |
| 4481 | − | 1 2 | x | = | 3293 | + | 1 | x |
| - | 1 2 | x | − | 1 | x | = | 3293 | − | 4481 |
| - | 3 2 | x | = | 3293 | − | 4481 |
| - | 3 2 | x | = | - | 1188 |
| 1188 | = | 3 2 | x |
3 2 | x | = | 1188 |
| x | = | 1188 | ÷ | 3 2 |
| = | 1188 | × | 2 3 |
| = | 396 | × | 2 |
| x | = | 792 |