| ( | ( | 2 | x | + | 31 | + | 252 | ÷ | 4 | ) | × | 100 | ÷ | 100 | + | 5 | ) | × | 3 2 | = | 658 |
| Left side of the equation = | ( | 2 | x | + | 31 | + | 252 | ÷ | 4 | ) | × | 100 | ÷ | 100 | × | 3 2 | + | 5 | × | 3 2 |
| = | ( | 2 | x | + | 31 | + | 252 | ÷ | 4 | ) | × | 3 2 | + | 15 2 |
| = | 2 | x | × | 3 2 | + | 31 | × | 3 2 | + | 252 | ÷ | 4 | × | 3 2 | + | 15 2 |
| = | 3 | x | + | 93 2 | + | 189 2 | + | 15 2 |
| = | 3 | x | + | 297 2 |
| 3 | x | + | 297 2 | = | 658 |
| 3 | x | = | 658 | − | 297 2 |
| 3 | x | = | 1019 2 |
| x | = | 1019 2 | ÷ | 3 |
| = | 1019 2 | × | 1 3 |
| x | = | 1019 6 |
| x | = | 169.833333 |