101 50 | X | − | 10201 2500 | = | 89 100 | × | 9 20 | X |
| Right side of the equation = | 801 2000 | X |
101 50 | X | − | 10201 2500 | = | 801 2000 | X |
101 50 | X | − | 801 2000 | X | = | 10201 2500 |
3239 2000 | X | = | 10201 2500 |
| X | = | 10201 2500 | ÷ | 3239 2000 |
| = | 10201 2500 | × | 2000 3239 |
| = | 10201 5 | × | 4 3239 |
| X | = | 40804 16195 |
| X | = | 2.519543 |