191 10 | × | 1500 | x | ( | 1192 | − | x | ÷ | 2 | ) | = | 2809600000 |
| Left side of the equation = | 28650 | x | ( | 1192 | − | x | ÷ | 2 | ) |
| 28650 | x | ( | 1192 | − | x | ÷ | 2 | ) | = | 2809600000 |
| Left side of the equation = | 28650 | x | × | 1192 | − | 28650 | x | x | ÷ | 2 |
| = | 34150800 | x | − | 14325 | x | x |
| 34150800 | x | − | 14325 | x | x | = | 2809600000 |