326807 50 | = | ( | 257 | − | x | ) | × | 289 10 | + | 279 10 | x |
| Right side of the equation = | 257 | × | 289 10 | − | x | × | 289 10 | + | 279 10 | x |
| = | 74273 10 | − | x | × | 289 10 | + | 279 10 | x |
| = | 74273 10 | − | 1 | x |
326807 50 | = | 74273 10 | − | 1 | x |
| 1 | x | = | 74273 10 | − | 326807 50 |
| x | = | 74273 10 | − | 326807 50 |
| x | = | 22279 25 |