1 10 | = | ( | ( | a | − | 528 5 | ) | a | − | 55000 | ) | ÷ | 55000 |
| Right side of the equation = | ( | a | − | 528 5 | ) | a | × | 1 55000 | − | 55000 | × | 1 55000 |
| = | ( | a | − | 528 5 | ) | a | × | 1 55000 | − | 1 |
| = | a | a | × | 1 55000 | − | 528 5 | a | × | 1 55000 | − | 1 |
| = | a | a | × | 1 55000 | − | 6 3125 | a | − | 1 |
1 10 | = | a | a | × | 1 55000 | − | 6 3125 | a | − | 1 |