| x | = | 970 | ( | 13 10 | ( | 15 | − | 28 | ) | + | 209 50 | ( | 341 2500 | × | 15 | − | 309 10000 | × | 28 | ) | ) |
| 方程右边 = | 970 | × | 13 10 | ( | 15 | − | 28 | ) | + | 970 | × | 209 50 | ( | 341 2500 | × | 15 | − | 309 10000 | × | 28 | ) |
| = | 1261 | ( | 15 | − | 28 | ) | + | 20273 5 | ( | 341 2500 | × | 15 | − | 309 10000 | × | 28 | ) |
| = | 1261 | × | 15 | − | 1261 | × | 28 | + | 20273 5 | ( | 341 2500 | × | 15 | − | 309 10000 | × | 28 | ) |
| = | 18915 | − | 35308 | + | 20273 5 | ( | 341 2500 | × | 15 | − | 309 10000 | × | 28 | ) |
| = | - | 16393 | + | 20273 5 | ( | 341 2500 | × | 15 | − | 309 10000 | × | 28 | ) |
| = | - | 16393 | + | 20273 5 | × | 341 2500 | × | 15 | − | 20273 5 | × | 309 10000 | × | 28 |
| = | - | 16393 | + | 20739279 2500 | − | 43850499 12500 |