| ( | 146 | + | x | ) | ÷ | ( | 146 | + | x | + | 16 | ) | = | 49 50 |
| 方程两边同时乘以: | ( | 146 | + | x | + | 16 | ) |
| ( | 146 | + | x | ) | = | 49 50 | ( | 146 | + | x | + | 16 | ) |
| 146 | + | x | = | 49 50 | ( | 146 | + | x | + | 16 | ) |
| 146 | + | x | = | 49 50 | × | 146 | + | 49 50 | x | + | 49 50 | × | 16 |
| 146 | + | x | = | 3577 25 | + | 49 50 | x | + | 392 25 |
| 146 | + | x | = | 3969 25 | + | 49 50 | x |
| x | − | 49 50 | x | = | 3969 25 | − | 146 |
1 50 | x | = | 3969 25 | − | 146 |
1 50 | x | = | 319 25 |
| x | = | 319 25 | ÷ | 1 50 |
| = | 319 25 | × | 50 |
| = | 319 | × | 2 |
| x | = | 638 |