| ( | 261305 | + | 48 | x | ) | ÷ | ( | 4117 | + | x | ) | = | 50 |
| 方程两边同时乘以: | ( | 4117 | + | x | ) |
| ( | 261305 | + | 48 | x | ) | = | 50 | ( | 4117 | + | x | ) |
| 261305 | + | 48 | x | = | 50 | ( | 4117 | + | x | ) |
| 261305 | + | 48 | x | = | 50 | × | 4117 | + | 50 | x |
| 261305 | + | 48 | x | = | 205850 | + | 50 | x |
| 48 | x | − | 50 | x | = | 205850 | − | 261305 |
| - | 2 | x | = | 205850 | − | 261305 |
| - | 2 | x | = | - | 55455 |
| 55455 | = | 2 | x |
| 2 | x | = | 55455 |
| x | = | 55455 | ÷ | 2 |
| = | 55455 | × | 1 2 |
| x | = | 55455 2 |
| x | = | 27727.5 |