| 3 | ÷ | 4 | × | ( | 5 | x | − | 3 | ) | + | 1 | ÷ | 2 | = | 6 |
| 方程左边 = | 3 4 | ( | 5 | x | − | 3 | ) | + | 1 2 |
3 4 | ( | 5 | x | − | 3 | ) | + | 1 2 | = | 6 |
| 方程左边 = | 3 4 | × | 5 | x | − | 3 4 | × | 3 | + | 1 2 |
| = | 15 4 | x | − | 9 4 | + | 1 2 |
| = | 15 4 | x | − | 7 4 |
15 4 | x | − | 7 4 | = | 6 |
15 4 | x | = | 6 | + | 7 4 |
15 4 | x | = | 31 4 |
| x | = | 31 4 | ÷ | 15 4 |
| = | 31 4 | × | 4 15 |
| = | 31 | × | 1 15 |
| x | = | 31 15 |
| x | = | 2.066667 |