7600 | ÷ | x | + | 20000 | ÷ | ( | x | + | 22 | ) | = | 150 |
方程两边同时乘以: | x |
7600 | + | 20000 | ÷ | ( | x | + | 22 | ) | × | x | = | 150 | x |
方程两边同时乘以: | ( | x | + | 22 | ) |
7600 | ( | x | + | 22 | ) | + | 20000 | x | = | 150 | x | ( | x | + | 22 | ) |
7600 | x | + | 7600 | × | 22 | + | 20000 | x | = | 150 | x | ( | x | + | 22 | ) |
7600 | x | + | 7600 | × | 22 | + | 20000 | x | = | 150 | x | x | + | 150 | x | × | 22 |
7600 | x | + | 167200 | + | 20000 | x | = | 150 | x | x | + | 3300 | x |
27600 | x | + | 167200 | = | 150 | x | x | + | 3300 | x |