9 10 | × | 657 25 | × | 270 | × | 84 | + | 391 20 | × | 270 | ( | x | − | 84 | ) | = | 462 | × | 443 | + | 9 10 | × | 509 | × | 459 | − | 308 | × | 443 | − | 9 10 | × | 402 | × | 440 |
| Left side of the equation = | 13410684 25 | + | 10557 2 | ( | x | − | 84 | ) |
13410684 25 | + | 10557 2 | ( | x | − | 84 | ) | = | 462 | × | 443 | + | 9 10 | × | 509 | × | 459 | − | 308 | × | 443 | − | 9 10 | × | 402 | × | 440 |
| Left side of the equation = | 13410684 25 | + | 10557 2 | x | − | 10557 2 | × | 84 |
| = | 13410684 25 | + | 10557 2 | x | − | 443394 |
| = | 2325834 25 | + | 10557 2 | x |
2325834 25 | + | 10557 2 | x | = | 462 | × | 443 | + | 9 10 | × | 509 | × | 459 | − | 308 | × | 443 | − | 9 10 | × | 402 | × | 440 |
| Right side of the equation = | 204666 | + | 2102679 10 | − | 136444 | − | 159192 |
| = | 1192979 10 |
2325834 25 | + | 10557 2 | x | = | 1192979 10 |
10557 2 | x | = | 1192979 10 | − | 2325834 25 |
10557 2 | x | = | 1313227 50 |
| x | = | 1313227 50 | ÷ | 10557 2 |
| = | 1313227 50 | × | 2 10557 |
| = | 1313227 25 | × | 1 10557 |
| x | = | 1313227 263925 |
| x | = | 4.975758 |