10000 | ÷ | x | + | 20000 | ÷ | ( | x | + | 60 | ) | = | 150 |
方程两边同时乘以: | x |
10000 | + | 20000 | ÷ | ( | x | + | 60 | ) | × | x | = | 150 | x |
方程两边同时乘以: | ( | x | + | 60 | ) |
10000 | ( | x | + | 60 | ) | + | 20000 | x | = | 150 | x | ( | x | + | 60 | ) |
10000 | x | + | 10000 | × | 60 | + | 20000 | x | = | 150 | x | ( | x | + | 60 | ) |
10000 | x | + | 10000 | × | 60 | + | 20000 | x | = | 150 | x | x | + | 150 | x | × | 60 |
10000 | x | + | 600000 | + | 20000 | x | = | 150 | x | x | + | 9000 | x |
30000 | x | + | 600000 | = | 150 | x | x | + | 9000 | x |