| ( | 1 | ÷ | 6 | + | 1 | ÷ | 10 | ) | ( | x | + | 2 | ) | − | 1 | ÷ | 9 | × | x | = | 1 |
| Left side of the equation = | ( | 1 | ÷ | 6 | + | 1 | ÷ | 10 | ) | ( | x | + | 2 | ) | − | 1 9 | x |
| ( | 1 | ÷ | 6 | + | 1 | ÷ | 10 | ) | ( | x | + | 2 | ) | − | 1 9 | x | = | 1 |
| Left side of the equation = | 1 | ÷ | 6 | × | ( | x | + | 2 | ) | + | 1 | ÷ | 10 | × | ( | x | + | 2 | ) | − | 1 9 | x |
| = | 1 6 | ( | x | + | 2 | ) | + | 1 10 | ( | x | + | 2 | ) | − | 1 9 | x |
| = | 1 6 | x | + | 1 6 | × | 2 | + | 1 10 | ( | x | + | 2 | ) | − | 1 9 | x |
| = | 1 6 | x | + | 1 3 | + | 1 10 | ( | x | + | 2 | ) | − | 1 9 | x |
| = | 1 18 | x | + | 1 3 | + | 1 10 | ( | x | + | 2 | ) |
| = | 1 18 | x | + | 1 3 | + | 1 10 | x | + | 1 10 | × | 2 |
| = | 1 18 | x | + | 1 3 | + | 1 10 | x | + | 1 5 |
| = | 7 45 | x | + | 8 15 |
7 45 | x | + | 8 15 | = | 1 |
7 45 | x | = | 1 | − | 8 15 |
7 45 | x | = | 7 15 |
| x | = | 7 15 | ÷ | 7 45 |
| = | 7 15 | × | 45 7 |
| = | 1 | × | 3 |
| x | = | 3 |