125927 10000 | + | ( | X | × | 257 10000 | ) | = | X |
| Left side of the equation = | 125927 10000 | + | X | × | 257 10000 |
125927 10000 | + | 257 10000 | X | = | X |
257 10000 | X | − | X | = | - | 125927 10000 |
| - | 9743 10000 | X | = | - | 125927 10000 |
125927 10000 | = | 9743 10000 | X |
9743 10000 | X | = | 125927 10000 |
| X | = | 125927 10000 | ÷ | 9743 10000 |
| = | 125927 10000 | × | 10000 9743 |
| = | 125927 | × | 1 9743 |
| X | = | 125927 9743 |
| X | = | 12.924869 |