| ( | x | + | 1 | ) | × | 3 | ÷ | 2 | × | 36 | = | 500 |
| Left side of the equation = | ( | x | + | 1 | ) | × | 54 |
| ( | x | + | 1 | ) | × | 54 | = | 500 |
| Left side of the equation = | x | × | 54 | + | 1 | × | 54 |
| = | x | × | 54 | + | 54 |
| 54 | x | + | 54 | = | 500 |
| 54 | x | = | 500 | − | 54 |
| 54 | x | = | 446 |
| x | = | 446 | ÷ | 54 |
| = | 446 | × | 1 54 |
| = | 223 | × | 1 27 |
| x | = | 223 27 |
| x | = | 8.259259 |