101 50 | X | − | 10201 2500 | = | 21 25 | × | 9 20 | X |
| Right side of the equation = | 189 500 | X |
101 50 | X | − | 10201 2500 | = | 189 500 | X |
101 50 | X | − | 189 500 | X | = | 10201 2500 |
821 500 | X | = | 10201 2500 |
| X | = | 10201 2500 | ÷ | 821 500 |
| = | 10201 2500 | × | 500 821 |
| = | 10201 5 | × | 1 821 |
| X | = | 10201 4105 |
| X | = | 2.485018 |