| x | + | ( | x | + | 20 | ) | × | 3 | ÷ | 8 | = | 68 |
| Left side of the equation = | x | + | ( | x | + | 20 | ) | × | 3 8 |
| x | + | ( | x | + | 20 | ) | × | 3 8 | = | 68 |
| Left side of the equation = | x | + | x | × | 3 8 | + | 20 | × | 3 8 |
| = | x | + | x | × | 3 8 | + | 15 2 |
| = | 11 8 | x | + | 15 2 |
11 8 | x | + | 15 2 | = | 68 |
11 8 | x | = | 68 | − | 15 2 |
11 8 | x | = | 121 2 |
| x | = | 121 2 | ÷ | 11 8 |
| = | 121 2 | × | 8 11 |
| = | 11 | × | 4 |
| x | = | 44 |