| - | 89 2500 | x | × | 2 | − | 4513 10000 | x | + | 1 | = | 1 2 |
| 方程左边 = | - | 89 1250 | x | − | 4513 10000 | x | + | 1 |
| = | - | 209 400 | x | + | 1 |
| - | 209 400 | x | + | 1 | = | 1 2 |
| - | 209 400 | x | = | 1 2 | − | 1 |
| - | 209 400 | x | = | - | 1 2 |
1 2 | = | 209 400 | x |
209 400 | x | = | 1 2 |
| x | = | 1 2 | ÷ | 209 400 |
| = | 1 2 | × | 400 209 |
| = | 1 | × | 200 209 |
| x | = | 200 209 |
| x | = | 0.956938 |