| - | 5 | ( | 9 | ( | 6 | ( | 3 | x | + | 2 | ) | + | 18 | ) | + | 8 | ) | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) | = | - | 84 |
| 方程左边 = | - | 5 | × | 9 | ( | 6 | ( | 3 | x | + | 2 | ) | + | 18 | ) | − | 5 | × | 8 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 45 | ( | 6 | ( | 3 | x | + | 2 | ) | + | 18 | ) | − | 40 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 45 | × | 6 | ( | 3 | x | + | 2 | ) | − | 45 | × | 18 | − | 40 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 270 | ( | 3 | x | + | 2 | ) | − | 810 | − | 40 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 270 | ( | 3 | x | + | 2 | ) | − | 850 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 270 | × | 3 | x | − | 270 | × | 2 | − | 850 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 810 | x | − | 540 | − | 850 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 810 | x | − | 1390 | + | 17 | ( | 8 | + | 6 | ( | 11 | + | 8 | x | ) | ) |
| = | - | 810 | x | − | 1390 | + | 17 | × | 8 | + | 17 | × | 6 | ( | 11 | + | 8 | x | ) |
| = | - | 810 | x | − | 1390 | + | 136 | + | 102 | ( | 11 | + | 8 | x | ) |
| = | - | 810 | x | − | 1254 | + | 102 | ( | 11 | + | 8 | x | ) |
| = | - | 810 | x | − | 1254 | + | 102 | × | 11 | + | 102 | × | 8 | x |
| = | - | 810 | x | − | 1254 | + | 1122 | + | 816 | x |
| = | 6 | x | − | 132 |
| 6 | x | − | 132 | = | - | 84 |
| 6 | x | = | - | 84 | + | 132 |
| 6 | x | = | 48 |
| x | = | 48 | ÷ | 6 |
| = | 48 | × | 1 6 |
| = | 8 | × | 1 |
| x | = | 8 |