| ( | 112941177 100 | − | 6250000 | × | 1 10 | a | ) | ÷ | 10000000 | = | 4 100 |
| Left side of the equation = | 112941177 100 | × | 1 10000000 | − | 6250000 | × | 1 10 | a | × | 1 10000000 |
| = | 112941177 1000000000 | − | 1 16 | a |
112941177 1000000000 | − | 1 16 | a | = | 4 100 |
| - | 1 16 | a | = | 4 100 | − | 112941177 1000000000 |