9 100 | ( | 175627 4 | − | X | ) | + | 13 100 | X | = | 428437 100 |
| Left side of the equation = | 9 100 | × | 175627 4 | − | 9 100 | X | + | 13 100 | X |
| = | 1580643 400 | − | 9 100 | X | + | 13 100 | X |
| = | 1580643 400 | + | 1 25 | X |
1580643 400 | + | 1 25 | X | = | 428437 100 |
1 25 | X | = | 428437 100 | − | 1580643 400 |
1 25 | X | = | 26621 80 |
| X | = | 26621 80 | ÷ | 1 25 |
| = | 26621 80 | × | 25 |
| = | 26621 16 | × | 5 |
| X | = | 133105 16 |
| X | = | 8319.0625 |