2 5 | x | + | 2 | = | 23 500 | ( | 53 50 | x | + | 8 | ) |
| 方程右边 = | 23 500 | × | 53 50 | x | + | 23 500 | × | 8 |
| = | 1219 25000 | x | + | 46 125 |
2 5 | x | + | 2 | = | 1219 25000 | x | + | 46 125 |
2 5 | x | − | 1219 25000 | x | = | 46 125 | − | 2 |
8781 25000 | x | = | 46 125 | − | 2 |
8781 25000 | x | = | - | 204 125 |
| x | = | - | 204 125 | ÷ | 8781 25000 |
| = | - | 204 125 | × | 25000 8781 |
| = | - | 68 | × | 200 2927 |
| x | = | - | 13600 2927 |
| x | = | - 4.646396 |