| 1 | X | + | 2 | × | 20 100 | = | ( | 1 | + | 2 | ) | × | 6 | X |
| Left side of the equation = | 1 | X | + | 2 5 |
| 1 | X | + | 2 5 | = | ( | 1 | + | 2 | ) | × | 6 | X |
| Right side of the equation = | 1 | × | 6 | X | + | 2 | × | 6 | X |
| = | 6 | X | + | 12 | X |
| = | 18 | X |
| 1 | X | + | 2 5 | = | 18 | X |
| 1 | X | − | 18 | X | = | - | 2 5 |
| - | 17 | X | = | - | 2 5 |
2 5 | = | 17 | X |
| 17 | X | = | 2 5 |
| X | = | 2 5 | ÷ | 17 |
| = | 2 5 | × | 1 17 |
| X | = | 2 85 |
| X | = | 0.023529 |