47 200 | = | - | 9 10000 | x | × | 2 | + | 89 5000 | x | + | 73 625 |
方程右边 = | - | 9 5000 | x | + | 89 5000 | x | + | 73 625 |
= | 2 125 | x | + | 73 625 |
47 200 | = | 2 125 | x | + | 73 625 |
- | 2 125 | x | = | 73 625 | − | 47 200 |
- | 2 125 | x | = | - | 591 5000 |
591 5000 | = | 2 125 | x |
2 125 | x | = | 591 5000 |
x | = | 591 5000 | ÷ | 2 125 |
= | 591 5000 | × | 125 2 |
= | 591 40 | × | 1 2 |
x | = | 591 80 |
x | = | 7.3875 |