( | 5500 | + | x | ) | ÷ | ( | 3 | ÷ | ( | 22000 | + | x | ) | ) | = | 3 2 |
方程两边同时乘以: | ( | 3 | ÷ | ( | 22000 | + | x | ) | ) |
( | 5500 | + | x | ) | = | 3 2 | ( | 3 | ÷ | ( | 22000 | + | x | ) | ) |
5500 | + | x | = | 3 2 | ( | 3 | ÷ | ( | 22000 | + | x | ) | ) |
5500 | + | x | = | 3 2 | × | 3 | ÷ | ( | 22000 | + | x | ) |
5500 | + | x | = | 9 2 | ÷ | ( | 22000 | + | x | ) |
方程两边同时乘以: | ( | 22000 | + | x | ) |
5500 | ( | 22000 | + | x | ) | + | x | ( | 22000 | + | x | ) | = | 9 2 |
5500 | × | 22000 | + | 5500 | x | + | x | ( | 22000 | + | x | ) | = | 9 2 |
121000000 | + | 5500 | x | + | x | ( | 22000 | + | x | ) | = | 9 2 |
121000000 | + | 5500 | x | + | x | × | 22000 | + | x | x | = | 9 2 |
121000000 | + | 27500 | x | + | x | x | = | 9 2 |