| 0 | = | - | 1 | ÷ | 12 | × | ( | x | x | + | 36 | − | 12 | x | ) | + | 5 |
| Right side of the equation = | - | 1 12 | ( | x | x | + | 36 | − | 12 | x | ) | + | 5 |
| 0 | = | - | 1 12 | ( | x | x | + | 36 | − | 12 | x | ) | + | 5 |
| Right side of the equation = | - | 1 12 | x | x | − | 1 12 | × | 36 | + | 1 12 | × | 12 | x | + | 5 |
| = | - | 1 12 | x | x | − | 3 | + | 1 | x | + | 5 |
| = | - | 1 12 | x | x | + | 2 | + | 1 | x |
| 0 | = | - | 1 12 | x | x | + | 2 | + | 1 | x |