433 250 | − | 1 25 | x | × | 2 | + | 251 500 | x | = | 0 |
| 方程左边 = | 433 250 | − | 2 25 | x | + | 251 500 | x |
| = | 433 250 | + | 211 500 | x |
433 250 | + | 211 500 | x | = | 0 |
211 500 | x | = | 0 | − | 433 250 |
211 500 | x | = | - | 433 250 |
| x | = | - | 433 250 | ÷ | 211 500 |
| = | - | 433 250 | × | 500 211 |
| = | - | 433 | × | 2 211 |
| x | = | - | 866 211 |
| x | = | - 4.104265 |