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