| 1 | ÷ | 2 | × | ( | 3 | y | + | 3 2 | ) | = | 1 | ÷ | 4 | × | ( | y | − | 1 | ) |
| 方程左边 = | 1 2 | ( | 3 | y | + | 3 2 | ) |
1 2 | ( | 3 | y | + | 3 2 | ) | = | 1 | ÷ | 4 | × | ( | y | − | 1 | ) |
| 方程左边 = | 1 2 | × | 3 | y | + | 1 2 | × | 3 2 |
| = | 3 2 | y | + | 3 4 |
3 2 | y | + | 3 4 | = | 1 | ÷ | 4 | × | ( | y | − | 1 | ) |
| 方程右边 = | 1 4 | ( | y | − | 1 | ) |
3 2 | y | + | 3 4 | = | 1 4 | ( | y | − | 1 | ) |
| 方程右边 = | 1 4 | y | − | 1 4 | × | 1 |
| = | 1 4 | y | − | 1 4 |
3 2 | y | + | 3 4 | = | 1 4 | y | − | 1 4 |
3 2 | y | − | 1 4 | y | = | - | 1 4 | − | 3 4 |
5 4 | y | = | - | 1 4 | − | 3 4 |
5 4 | y | = | - | 1 |
| y | = | - | 1 | ÷ | 5 4 |
| = | - | 1 | × | 4 5 |
| y | = | - | 4 5 |
| y | = | - 0.8 |