647 10 | ( | 1458 | + | X | ) | = | 53135 | + | 913597 25 | + | 7 | X |
| Left side of the equation = | 647 10 | × | 1458 | + | 647 10 | X |
| = | 471663 5 | + | 647 10 | X |
471663 5 | + | 647 10 | X | = | 53135 | + | 913597 25 | + | 7 | X |
| Right side of the equation = | 2241972 25 | + | 7 | X |
471663 5 | + | 647 10 | X | = | 2241972 25 | + | 7 | X |
647 10 | X | − | 7 | X | = | 2241972 25 | − | 471663 5 |
577 10 | X | = | 2241972 25 | − | 471663 5 |
577 10 | X | = | - | 116343 25 |
| X | = | - | 116343 25 | ÷ | 577 10 |
| = | - | 116343 25 | × | 10 577 |
| = | - | 116343 5 | × | 2 577 |
| X | = | - | 232686 2885 |
| X | = | - 80.653726 |