| ( | ( | 4914679 50 | + | a | + | 843 | + | 8000 | ) | − | 60000 | − | 9273 | − | 843 | ) | × | 10 100 | − | 2520 | = | 51031 50 | + | a |
| Left side of the equation = | ( | 4914679 50 | + | a | + | 843 | + | 8000 | ) | × | 10 100 | − | 60000 | × | 10 100 | − | 9273 | × | 10 100 | − | 843 | × | 10 100 | − | 2520 |
| = | ( | 4914679 50 | + | a | + | 843 | + | 8000 | ) | × | 10 100 | − | 6000 | − | 9273 10 | − | 843 10 | − | 2520 |
| = | ( | 4914679 50 | + | a | + | 843 | + | 8000 | ) | × | 10 100 | − | 47658 5 |
| = | 4914679 50 | × | 10 100 | + | a | × | 10 100 | + | 843 | × | 10 100 | + | 8000 | × | 10 100 | − | 47658 5 |
| = | 4914679 500 | + | a | × | 10 100 | + | 843 10 | + | 800 | − | 47658 5 |
| = | 591029 500 | + | 10 100 | a |
591029 500 | + | 10 100 | a | = | 51031 50 | + | a |
10 100 | a | − | a | = | 51031 50 | − | 591029 500 |
| - | 9 10 | a | = | 51031 50 | − | 591029 500 |
| - | 9 10 | a | = | - | 80719 500 |
80719 500 | = | 9 10 | a |
9 10 | a | = | 80719 500 |
| a | = | 80719 500 | ÷ | 9 10 |
| = | 80719 500 | × | 10 9 |
| = | 80719 50 | × | 1 9 |
| a | = | 80719 450 |
| a | = | 179.375556 |