92 5 | × | 1800 | x | ( | 1644 | − | x | ÷ | 2 | ) | = | 3923379 1000 |
| Left side of the equation = | 33120 | x | ( | 1644 | − | x | ÷ | 2 | ) |
| 33120 | x | ( | 1644 | − | x | ÷ | 2 | ) | = | 3923379 1000 |
| Left side of the equation = | 33120 | x | × | 1644 | − | 33120 | x | x | ÷ | 2 |
| = | 54449280 | x | − | 16560 | x | x |
| 54449280 | x | − | 16560 | x | x | = | 3923379 1000 |