| ( | 260 | × | 63 | − | x | ) | × | 19 20 | + | 8 | × | 63 | = | 269363 20 |
| 方程左边 = | ( | 260 | × | 63 | − | x | ) | × | 19 20 | + | 504 |
| ( | 260 | × | 63 | − | x | ) | × | 19 20 | + | 504 | = | 269363 20 |
| 方程左边 = | 260 | × | 63 | × | 19 20 | − | x | × | 19 20 | + | 504 |
| = | 15561 | − | x | × | 19 20 | + | 504 |
| = | 16065 | − | 19 20 | x |
| 16065 | − | 19 20 | x | = | 269363 20 |
| - | 19 20 | x | = | 269363 20 | − | 16065 |
| - | 19 20 | x | = | - | 51937 20 |
51937 20 | = | 19 20 | x |
19 20 | x | = | 51937 20 |
| x | = | 51937 20 | ÷ | 19 20 |
| = | 51937 20 | × | 20 19 |
| = | 51937 | × | 1 19 |
| x | = | 51937 19 |
| x | = | 2733.526316 |