0 | = | 60 100 | − | 15 100 | − | ( | 1 | + | x | ) | ÷ | x | × | 5 100 | × | 100 100 |
方程两边同时乘以: | x |
0 | = | 60 100 | x | − | 15 100 | x | − | ( | 1 | + | x | ) | × | 5 100 | × | 100 100 |
0 | = | 60 100 | x | − | 15 100 | x | − | 1 | × | 5 100 | × | 100 100 | − | x | × | 5 100 | × | 100 100 |
0 | = | 60 100 | x | − | 15 100 | x | − | 1 20 | − | x | × | 1 20 |
0 | = | 2 5 | x | − | 1 20 |
- | 2 5 | x | = | - | 1 20 | − | 0 |
- | 2 5 | x | = | - | 1 20 |
1 20 | = | 2 5 | x |
2 5 | x | = | 1 20 |
x | = | 1 20 | ÷ | 2 5 |
= | 1 20 | × | 5 2 |
= | 1 4 | × | 1 2 |
x | = | 1 8 |
x | = | 0.125 |