| - | 28 | ÷ | ( | 2 | + | 2 | ( | 2 | x | + | 17 | ) | ) | + | 1 | = | 2 |
| 方程两边同时乘以: | ( | 2 | + | 2 | ( | 2 | x | + | 17 | ) | ) |
| - | 28 | + | 1 | ( | 2 | + | 2 | ( | 2 | x | + | 17 | ) | ) | = | 2 | ( | 2 | + | 2 | ( | 2 | x | + | 17 | ) | ) |
| - | 28 | + | 1 | × | 2 | + | 1 | × | 2 | ( | 2 | x | + | 17 | ) | = | 2 | ( | 2 | + | 2 | ( | 2 | x | + | 17 | ) | ) |
| - | 28 | + | 1 | × | 2 | + | 1 | × | 2 | ( | 2 | x | + | 17 | ) | = | 2 | × | 2 | + | 2 | × | 2 | ( | 2 | x | + | 17 | ) |
| - | 28 | + | 2 | + | 2 | ( | 2 | x | + | 17 | ) | = | 4 | + | 4 | ( | 2 | x | + | 17 | ) |
| - | 26 | + | 2 | ( | 2 | x | + | 17 | ) | = | 4 | + | 4 | ( | 2 | x | + | 17 | ) |
| - | 26 | + | 2 | × | 2 | x | + | 2 | × | 17 | = | 4 | + | 4 | ( | 2 | x | + | 17 | ) |
| - | 26 | + | 2 | × | 2 | x | + | 2 | × | 17 | = | 4 | + | 4 | × | 2 | x | + | 4 | × | 17 |
| - | 26 | + | 4 | x | + | 34 | = | 4 | + | 8 | x | + | 68 |
| 8 | + | 4 | x | = | 72 | + | 8 | x |
| 4 | x | − | 8 | x | = | 72 | − | 8 |
| - | 4 | x | = | 72 | − | 8 |
| - | 4 | x | = | 64 |
| - | 64 | = | 4 | x |
| 4 | x | = | - | 64 |
| x | = | - | 64 | ÷ | 4 |
| = | - | 64 | × | 1 4 |
| = | - | 16 | × | 1 |
| x | = | - | 16 |