| 17 | ÷ | 4457 50 | + | 13 | ÷ | 267 2 | + | X | ÷ | 1000 | + | ( | 653 10 | − | X | ) | ÷ | 1650 | = | 43 125 |
| Left side of the equation = | 850 4457 | + | 26 267 | + | X | × | 1 1000 | + | ( | 653 10 | − | X | ) | × | 1 1650 |
| = | 342832 1190019 | + | 1 1000 | X | + | ( | 653 10 | − | X | ) | × | 1 1650 |
342832 1190019 | + | 1 1000 | X | + | ( | 653 10 | − | X | ) | × | 1 1650 | = | 43 125 |
| Left side of the equation = | 342832 1190019 | + | 1 1000 | X | + | 653 10 | × | 1 1650 | − | X | × | 1 1650 |
| = | 342832 1190019 | + | 1 1000 | X | + | 653 16500 | − | X | × | 1 1650 |