| 10 | ÷ | 4457 50 | + | 6 | ÷ | 6679 50 | + | 4 | ÷ | 50 | + | 25 | ÷ | 200 | + | X | ÷ | 1000 | + | ( | 523 10 | − | X | ) | ÷ | 1650 | = | 173 500 |
| Left side of the equation = | 500 4457 | + | 300 6679 | + | 2 25 | + | 1 8 | + | X | × | 1 1000 | + | ( | 523 10 | − | X | ) | × | 1 1650 |
| = | 2155820423 5953660600 | + | 1 1000 | X | + | ( | 523 10 | − | X | ) | × | 1 1650 |
2155820423 5953660600 | + | 1 1000 | X | + | ( | 523 10 | − | X | ) | × | 1 1650 | = | 173 500 |
| Left side of the equation = | 2155820423 5953660600 | + | 1 1000 | X | + | 523 10 | × | 1 1650 | − | X | × | 1 1650 |
| = | 2155820423 5953660600 | + | 1 1000 | X | + | 523 16500 | − | X | × | 1 1650 |