| 15 | ÷ | 102 | + | 1 | ÷ | 45 | + | X | ÷ | 1000 | + | ( | 382 5 | − | X | ) | ÷ | 1650 | = | 157 500 |
| Left side of the equation = | 5 34 | + | 1 45 | + | X | × | 1 1000 | + | ( | 382 5 | − | X | ) | × | 1 1650 |
| = | 259 1530 | + | 1 1000 | X | + | ( | 382 5 | − | X | ) | × | 1 1650 |
259 1530 | + | 1 1000 | X | + | ( | 382 5 | − | X | ) | × | 1 1650 | = | 157 500 |
| Left side of the equation = | 259 1530 | + | 1 1000 | X | + | 382 5 | × | 1 1650 | − | X | × | 1 1650 |
| = | 259 1530 | + | 1 1000 | X | + | 191 4125 | − | X | × | 1 1650 |
| = | 90707 420750 | + | 13 33000 | X |
90707 420750 | + | 13 33000 | X | = | 157 500 |
13 33000 | X | = | 157 500 | − | 90707 420750 |
13 33000 | X | = | 82817 841500 |
| X | = | 82817 841500 | ÷ | 13 33000 |
| = | 82817 841500 | × | 33000 13 |
| = | 82817 51 | × | 2 13 |
| X | = | 165634 663 |
| X | = | 249.825038 |