1 | ÷ | 3 | × | ( | 100 | − | x | ) | − | 1 | ÷ | 10 | × | x | = | 16 |
方程左边 = | 1 3 | ( | 100 | − | x | ) | − | 1 10 | x |
1 3 | ( | 100 | − | x | ) | − | 1 10 | x | = | 16 |
方程左边 = | 1 3 | × | 100 | − | 1 3 | x | − | 1 10 | x |
= | 100 3 | − | 1 3 | x | − | 1 10 | x |
= | 100 3 | − | 13 30 | x |
100 3 | − | 13 30 | x | = | 16 |
- | 13 30 | x | = | 16 | − | 100 3 |
- | 13 30 | x | = | - | 52 3 |
52 3 | = | 13 30 | x |
13 30 | x | = | 52 3 |
x | = | 52 3 | ÷ | 13 30 |
= | 52 3 | × | 30 13 |
= | 4 | × | 10 |
x | = | 40 |