| 75 | X | + | 3939 50 | X | = | 5287 100 | + | 60 |
| Left side of the equation = | 7689 50 | X |
7689 50 | X | = | 5287 100 | + | 60 |
| Right side of the equation = | 11287 100 |
7689 50 | X | = | 11287 100 |
| X | = | 11287 100 | ÷ | 7689 50 |
| = | 11287 100 | × | 50 7689 |
| = | 11287 2 | × | 1 7689 |
| X | = | 11287 15378 |
| X | = | 0.733971 |