| 1 | − | ( | x | − | 100 | ) | ÷ | 1 | + | 32 | = | 422 |
| Left side of the equation = | 33 | − | ( | x | − | 100 | ) | × | 1 |
| 33 | − | ( | x | − | 100 | ) | × | 1 | = | 422 |
| Left side of the equation = | 33 | − | x | × | 1 | + | 100 | × | 1 |
| = | 33 | − | x | × | 1 | + | 100 |
| = | 133 | − | 1 | x |
| 133 | − | 1 | x | = | 422 |
| - | 1 | x | = | 422 | − | 133 |
| - | x | = | 422 | − | 133 |
| - | x | = | 289 |
| - | 289 | = | x |
| x | = | - | 289 |