| ( | 5000 | × | 12 | × | 9 10 | − | 70 100 | × | 135 | X | × | 32 500 | ) | ÷ | ( | 30 100 | × | 135 | X | + | 5 100 | × | 135 | X | ) | = | 19 500 |
| Multiply both sides of the equation by: | ( | 30 100 | × | 135 | X | + | 5 100 | × | 135 | X | ) |
| ( | 5000 | × | 12 | × | 9 10 | − | 70 100 | × | 135 | X | × | 32 500 | ) | = | 19 500 | ( | 30 100 | × | 135 | X | + | 5 100 | × | 135 | X | ) |
| 5000 | × | 12 | × | 9 10 | − | 70 100 | × | 135 | X | × | 32 500 | = | 19 500 | ( | 30 100 | × | 135 | X | + | 5 100 | × | 135 | X | ) |
| 5000 | × | 12 | × | 9 10 | − | 70 100 | × | 135 | X | × | 32 500 | = | 19 500 | × | 30 100 | × | 135 | X | + | 19 500 | × | 5 100 | × | 135 | X |
| 54000 | − | 756 125 | X | = | 1539 1000 | X | + | 513 2000 | X |
| 54000 | − | 756 125 | X | = | 3591 2000 | X |
| - | 756 125 | X | − | 3591 2000 | X | = | - | 54000 |
| - | 15687 2000 | X | = | - | 54000 |
| 54000 | = | 15687 2000 | X |
15687 2000 | X | = | 54000 |
| X | = | 54000 | ÷ | 15687 2000 |
| = | 54000 | × | 2000 15687 |
| = | 2000 | × | 2000 581 |
| X | = | 4000000 581 |
| X | = | 6884.681583 |