| x | × | 2 | + | 13 25 | x | − | 397 250 | × | 13 25 | = | 0 |
| 方程左边 = | x | × | 2 | + | 13 25 | x | − | 5161 6250 |
| = | 63 25 | x | − | 5161 6250 |
63 25 | x | − | 5161 6250 | = | 0 |
63 25 | x | = | 0 | + | 5161 6250 |
63 25 | x | = | 5161 6250 |
| x | = | 5161 6250 | ÷ | 63 25 |
| = | 5161 6250 | × | 25 63 |
| = | 5161 250 | × | 1 63 |
| x | = | 5161 15750 |
| x | = | 0.327683 |