| ( | 16 | × | 8 | a | ) | + | ( | 280 | − | 8 | a | ) | × | 16 | ( | 1 | − | a | ) | − | 1500 | = | 2660 |
| Left side of the equation = | 16 | × | 8 | a | + | ( | 280 | − | 8 | a | ) | × | 16 | ( | 1 | − | a | ) | − | 1500 |
| = | 128 | a | + | ( | 280 | − | 8 | a | ) | × | 16 | ( | 1 | − | a | ) | − | 1500 |
| = | 128 | a | + | 280 | × | 16 | ( | 1 | − | a | ) | − | 8 | a | × | 16 | ( | 1 | − | a | ) | − | 1500 |
| = | 128 | a | + | 4480 | ( | 1 | − | a | ) | − | 128 | a | ( | 1 | − | a | ) | − | 1500 |
| = | 128 | a | + | 4480 | × | 1 | − | 4480 | a | − | 128 | a | ( | 1 | − | a | ) | − | 1500 |
| = | 128 | a | + | 4480 | − | 4480 | a | − | 128 | a | ( | 1 | − | a | ) | − | 1500 |
| = | - | 4352 | a | + | 2980 | − | 128 | a | ( | 1 | − | a | ) |
| = | - | 4352 | a | + | 2980 | − | 128 | a | × | 1 | + | 128 | a | a |
| = | - | 4352 | a | + | 2980 | − | 128 | a | + | 128 | a | a |
| = | - | 4480 | a | + | 2980 | + | 128 | a | a |
| - | 4480 | a | + | 2980 | + | 128 | a | a | = | 2660 |