| ( | 2800 | − | X | ) | ÷ | 18494 | = | 11 100 |
| Left side of the equation = | 2800 | × | 1 18494 | − | X | × | 1 18494 |
| = | 200 1321 | − | X | × | 1 18494 |
200 1321 | − | 1 18494 | X | = | 11 100 |
| - | 1 18494 | X | = | 11 100 | − | 200 1321 |
| - | 1 18494 | X | = | - | 5469 132100 |
5469 132100 | = | 1 18494 | X |
1 18494 | X | = | 5469 132100 |
| X | = | 5469 132100 | ÷ | 1 18494 |
| = | 5469 132100 | × | 18494 |
| = | 5469 66050 | × | 9247 |
| X | = | 50571843 66050 |
| X | = | 765.66 |