( | 2 | x | − | 1 | ) | ÷ | 5 | + | 1 | = | ( | x | + | 1 | ) | ÷ | 2 |
方程左边 = | 2 | x | × | 1 5 | − | 1 | × | 1 5 | + | 1 |
= | 2 5 | x | − | 1 5 | + | 1 |
= | 2 5 | x | + | 4 5 |
2 5 | x | + | 4 5 | = | ( | x | + | 1 | ) | ÷ | 2 |
方程右边 = | x | × | 1 2 | + | 1 | × | 1 2 |
= | x | × | 1 2 | + | 1 2 |
2 5 | x | + | 4 5 | = | 1 2 | x | + | 1 2 |
2 5 | x | − | 1 2 | x | = | 1 2 | − | 4 5 |
- | 1 10 | x | = | 1 2 | − | 4 5 |
- | 1 10 | x | = | - | 3 10 |
3 10 | = | 1 10 | x |
1 10 | x | = | 3 10 |
x | = | 3 10 | ÷ | 1 10 |
= | 3 10 | × | 10 |
= | 3 | × | 1 |
x | = | 3 |