| ( | X | − | 6448 | − | 10000 | ) | × | 1 10 | − | 2520 | = | X | − | 119154 5 | − | 3224 | − | 138186 5 |
| Left side of the equation = | X | × | 1 10 | − | 6448 | × | 1 10 | − | 10000 | × | 1 10 | − | 2520 |
| = | X | × | 1 10 | − | 3224 5 | − | 1000 | − | 2520 |
| = | 1 10 | X | − | 20824 5 |
1 10 | X | − | 20824 5 | = | X | − | 119154 5 | − | 3224 | − | 138186 5 |
| Right side of the equation = | X | − | 54692 |
1 10 | X | − | 20824 5 | = | X | − | 54692 |
1 10 | X | − | X | = | - | 54692 | + | 20824 5 |
| - | 9 10 | X | = | - | 54692 | + | 20824 5 |
| - | 9 10 | X | = | - | 252636 5 |
252636 5 | = | 9 10 | X |
9 10 | X | = | 252636 5 |
| X | = | 252636 5 | ÷ | 9 10 |
| = | 252636 5 | × | 10 9 |
| = | 84212 | × | 2 3 |
| X | = | 168424 3 |
| X | = | 56141.333333 |