1 | ÷ | 10 | × | x | + | 10 | = | ( | x | + | 10 | ) | × | 2 | ÷ | 11 |
方程左边 = | 1 10 | x | + | 10 |
1 10 | x | + | 10 | = | ( | x | + | 10 | ) | × | 2 | ÷ | 11 |
方程右边 = | ( | x | + | 10 | ) | × | 2 11 |
1 10 | x | + | 10 | = | ( | x | + | 10 | ) | × | 2 11 |
方程右边 = | x | × | 2 11 | + | 10 | × | 2 11 |
= | x | × | 2 11 | + | 20 11 |
1 10 | x | + | 10 | = | 2 11 | x | + | 20 11 |
1 10 | x | − | 2 11 | x | = | 20 11 | − | 10 |
- | 9 110 | x | = | 20 11 | − | 10 |
- | 9 110 | x | = | - | 90 11 |
90 11 | = | 9 110 | x |
9 110 | x | = | 90 11 |
x | = | 90 11 | ÷ | 9 110 |
= | 90 11 | × | 110 9 |
= | 10 | × | 10 |
x | = | 100 |