| 16 | x | × | 2 | − | 76 | ( | 4 | x | × | 2 | − | 12 | ) | = | 0 |
| 方程左边 = | 32 | x | − | 76 | ( | 4 | x | × | 2 | − | 12 | ) |
| 32 | x | − | 76 | ( | 4 | x | × | 2 | − | 12 | ) | = | 0 |
| 方程左边 = | 32 | x | − | 76 | × | 4 | x | × | 2 | + | 76 | × | 12 |
| = | 32 | x | − | 608 | x | + | 912 |
| = | - | 576 | x | + | 912 |
| - | 576 | x | + | 912 | = | 0 |
| - | 576 | x | = | 0 | − | 912 |
| - | 576 | x | = | - | 912 |
| 912 | = | 576 | x |
| 576 | x | = | 912 |
| x | = | 912 | ÷ | 576 |
| = | 912 | × | 1 576 |
| = | 19 | × | 1 12 |
| x | = | 19 12 |
| x | = | 1.583333 |