10000 | ÷ | X | + | 30000 | ÷ | ( | X | + | 60 | ) | = | 150 |
方程两边同时乘以: | X |
10000 | + | 30000 | ÷ | ( | X | + | 60 | ) | × | X | = | 150 | X |
方程两边同时乘以: | ( | X | + | 60 | ) |
10000 | ( | X | + | 60 | ) | + | 30000 | X | = | 150 | X | ( | X | + | 60 | ) |
10000 | X | + | 10000 | × | 60 | + | 30000 | X | = | 150 | X | ( | X | + | 60 | ) |
10000 | X | + | 10000 | × | 60 | + | 30000 | X | = | 150 | X | X | + | 150 | X | × | 60 |
10000 | X | + | 600000 | + | 30000 | X | = | 150 | X | X | + | 9000 | X |
40000 | X | + | 600000 | = | 150 | X | X | + | 9000 | X |