| 6477 | + | ( | 317 50 | − | x | ) | × | 6477 | = | 6295 |
| 方程左边 = | 6477 | + | 317 50 | × | 6477 | − | x | × | 6477 |
| = | 6477 | + | 2053209 50 | − | x | × | 6477 |
| = | 2377059 50 | − | 6477 | x |
2377059 50 | − | 6477 | x | = | 6295 |
| - | 6477 | x | = | 6295 | − | 2377059 50 |
| - | 6477 | x | = | - | 2062309 50 |
2062309 50 | = | 6477 | x |
| 6477 | x | = | 2062309 50 |
| x | = | 2062309 50 | ÷ | 6477 |
| = | 2062309 50 | × | 1 6477 |
| x | = | 2062309 323850 |
| x | = | 6.368099 |