x | ÷ | 48000 | = | x | + | 400 | ÷ | 60000 |
方程右边 = | x | + | 1 150 |
1 48000 | x | = | x | + | 1 150 |
1 48000 | x | − | x | = | 1 150 |
- | 47999 48000 | x | = | 1 150 |
- | 1 150 | = | 47999 48000 | x |
47999 48000 | x | = | - | 1 150 |
x | = | - | 1 150 | ÷ | 47999 48000 |
= | - | 1 150 | × | 48000 47999 |
= | - | 1 | × | 320 47999 |
x | = | - | 320 47999 |
x | = | - 0.006667 |