| 29402 | − | 2 | x | = | 3000 | ( | 2 | x | + | 1 | ) |
| 方程右边 = | 3000 | × | 2 | x | + | 3000 | × | 1 |
| = | 6000 | x | + | 3000 |
| 29402 | − | 2 | x | = | 6000 | x | + | 3000 |
| - | 2 | x | − | 6000 | x | = | 3000 | − | 29402 |
| - | 6002 | x | = | 3000 | − | 29402 |
| - | 6002 | x | = | - | 26402 |
| 26402 | = | 6002 | x |
| 6002 | x | = | 26402 |
| x | = | 26402 | ÷ | 6002 |
| = | 26402 | × | 1 6002 |
| = | 13201 | × | 1 3001 |
| x | = | 13201 3001 |
| x | = | 4.398867 |