| ( | 3 10 | − | 1 10 | X | ) | ÷ | 1 5 | − | 1 | = | ( | 3 5 | − | X | ) | ÷ | 1 2 |
| Left side of the equation = | 3 10 | × | 5 | − | 1 10 | X | × | 5 | − | 1 |
| = | 3 2 | − | 1 2 | X | − | 1 |
| = | 1 2 | − | 1 2 | X |
1 2 | − | 1 2 | X | = | ( | 3 5 | − | X | ) | ÷ | 1 2 |
| Right side of the equation = | 3 5 | × | 2 | − | X | × | 2 |
| = | 6 5 | − | X | × | 2 |
1 2 | − | 1 2 | X | = | 6 5 | − | 2 | X |
| - | 1 2 | X | + | 2 | X | = | 6 5 | − | 1 2 |
3 2 | X | = | 6 5 | − | 1 2 |
3 2 | X | = | 7 10 |
| X | = | 7 10 | ÷ | 3 2 |
| = | 7 10 | × | 2 3 |
| = | 7 5 | × | 1 3 |
| X | = | 7 15 |
| X | = | 0.466667 |