| ( | 2 | + | 5 | ) | ÷ | 2 | × | 19 5 | X | = | 2903 20 |
| Left side of the equation = | ( | 2 | + | 5 | ) | × | 19 10 | X |
| ( | 2 | + | 5 | ) | × | 19 10 | X | = | 2903 20 |
| Left side of the equation = | 2 | × | 19 10 | X | + | 5 | × | 19 10 | X |
| = | 19 5 | X | + | 19 2 | X |
| = | 133 10 | X |
133 10 | X | = | 2903 20 |
| X | = | 2903 20 | ÷ | 133 10 |
| = | 2903 20 | × | 10 133 |
| = | 2903 2 | × | 1 133 |
| X | = | 2903 266 |
| X | = | 10.913534 |