9 10 | × | 657 25 | × | 390 | × | 60 | + | 377 20 | × | 390 | ( | x | − | 60 | ) | = | - | 459 | × | 509 |
| Left side of the equation = | 2767284 5 | + | 14703 2 | ( | x | − | 60 | ) |
2767284 5 | + | 14703 2 | ( | x | − | 60 | ) | = | - | 459 | × | 509 |
| Left side of the equation = | 2767284 5 | + | 14703 2 | x | − | 14703 2 | × | 60 |
| = | 2767284 5 | + | 14703 2 | x | − | 441090 |
| = | 561834 5 | + | 14703 2 | x |
561834 5 | + | 14703 2 | x | = | - | 459 | × | 509 |
| Right side of the equation = | - | 233631 |
561834 5 | + | 14703 2 | x | = | - | 233631 |
14703 2 | x | = | - | 233631 | − | 561834 5 |
14703 2 | x | = | - | 1729989 5 |
| x | = | - | 1729989 5 | ÷ | 14703 2 |
| = | - | 1729989 5 | × | 2 14703 |
| = | - | 576663 5 | × | 2 4901 |
| x | = | - | 1153326 24505 |
| x | = | - 47.064926 |