9 10 | × | 657 25 | × | 270 | × | 36 | + | 391 20 | × | 270 | ( | x | − | 36 | ) | = | 308 | × | 443 | + | 9 10 | × | 402 | × | 440 | − | 462 | × | 443 | − | 9 10 | × | 509 | × | 459 |
| Left side of the equation = | 5747436 25 | + | 10557 2 | ( | x | − | 36 | ) |
5747436 25 | + | 10557 2 | ( | x | − | 36 | ) | = | 308 | × | 443 | + | 9 10 | × | 402 | × | 440 | − | 462 | × | 443 | − | 9 10 | × | 509 | × | 459 |
| Left side of the equation = | 5747436 25 | + | 10557 2 | x | − | 10557 2 | × | 36 |
| = | 5747436 25 | + | 10557 2 | x | − | 190026 |
| = | 996786 25 | + | 10557 2 | x |
996786 25 | + | 10557 2 | x | = | 308 | × | 443 | + | 9 10 | × | 402 | × | 440 | − | 462 | × | 443 | − | 9 10 | × | 509 | × | 459 |
| Right side of the equation = | 136444 | + | 159192 | − | 204666 | − | 2102679 10 |
| = | - | 1192979 10 |
996786 25 | + | 10557 2 | x | = | - | 1192979 10 |
10557 2 | x | = | - | 1192979 10 | − | 996786 25 |
10557 2 | x | = | - | 7958467 50 |
| x | = | - | 7958467 50 | ÷ | 10557 2 |
| = | - | 7958467 50 | × | 2 10557 |
| = | - | 7958467 25 | × | 1 10557 |
| x | = | - | 7958467 263925 |
| x | = | - 30.154275 |