| 1996420000 | = | 69 5 | × | 2000 | x | ( | 1550 | − | x | ÷ | 2 | ) |
| Right side of the equation = | 27600 | x | ( | 1550 | − | x | ÷ | 2 | ) |
| 1996420000 | = | 27600 | x | ( | 1550 | − | x | ÷ | 2 | ) |
| Right side of the equation = | 27600 | x | × | 1550 | − | 27600 | x | x | ÷ | 2 |
| = | 42780000 | x | − | 13800 | x | x |
| 1996420000 | = | 42780000 | x | − | 13800 | x | x |