3000 | ÷ | x | − | 2 | = | 3000 | ÷ | ( | x | + | 50 | ) |
方程两边同时乘以: | x | , | ( | x | + | 50 | ) |
3000 | ( | x | + | 50 | ) | − | 2 | x | ( | x | + | 50 | ) | = | 3000 | x |
3000 | x | + | 3000 | × | 50 | − | 2 | x | ( | x | + | 50 | ) | = | 3000 | x |
3000 | x | + | 150000 | − | 2 | x | ( | x | + | 50 | ) | = | 3000 | x |
3000 | x | + | 150000 | − | 2 | x | x | − | 2 | x | × | 50 | = | 3000 | x |
3000 | x | + | 150000 | − | 2 | x | x | − | 100 | x | = | 3000 | x |
2900 | x | + | 150000 | − | 2 | x | x | = | 3000 | x |