| x | = | 20 | ÷ | 1 | − | ( | ( | 1 | ÷ | 5 | ) | + | ( | 2 | ÷ | 5 | ) | ) |
| Right side of the equation = | 20 | − | ( | ( | 1 | ÷ | 5 | ) | + | ( | 2 | ÷ | 5 | ) | ) |
| x | = | 20 | − | ( | ( | 1 | ÷ | 5 | ) | + | ( | 2 | ÷ | 5 | ) | ) |
| Right side of the equation = | 20 | − | ( | 1 | ÷ | 5 | ) | − | ( | 2 | ÷ | 5 | ) |
| = | 20 | − | 1 | ÷ | 5 | − | ( | 2 | ÷ | 5 | ) |
| = | 20 | − | 1 5 | − | ( | 2 | ÷ | 5 | ) |
| = | 99 5 | − | ( | 2 | ÷ | 5 | ) |
| = | 99 5 | − | 2 | ÷ | 5 |
| = | 99 5 | − | 2 5 |
| = | 97 5 |
| x | = | 97 5 |