10787 10000 | x | ÷ | ( | 20 | + | 10787 10000 | x | ) | = | 1 5000 |
方程两边同时乘以: | ( | 20 | + | 10787 10000 | x | ) |
10787 10000 | x | = | 1 5000 | ( | 20 | + | 10787 10000 | x | ) |
10787 10000 | x | = | 1 5000 | × | 20 | + | 1 5000 | × | 10787 10000 | x |
10787 10000 | x | = | 1 250 | + | 10787 50000000 | x |
10787 10000 | x | − | 10787 50000000 | x | = | 1 250 |