| ( | 1335297 100000 | − | 617143 50000 | ) | ÷ | 1 5 | = | ( | x | − | 617143 50000 | ) | ÷ | 2 125 |
| Left side of the equation = | 1335297 100000 | × | 5 | − | 617143 50000 | × | 5 |
| = | 1335297 20000 | − | 617143 10000 |
| = | 101011 20000 |
101011 20000 | = | ( | x | − | 617143 50000 | ) | ÷ | 2 125 |
| Right side of the equation = | x | × | 125 2 | − | 617143 50000 | × | 125 2 |
| = | x | × | 125 2 | − | 617143 800 |
101011 20000 | = | 125 2 | x | − | 617143 800 |
| - | 125 2 | x | = | - | 617143 800 | − | 101011 20000 |