7800 | ÷ | ( | x | + | 303 25 | ) | + | 10000 | ÷ | x | + | 7500 | ÷ | x | = | 150 |
方程两边同时乘以: | ( | x | + | 303 25 | ) |
7800 | + | 10000 | ÷ | x | × | ( | x | + | 303 25 | ) | + | 7500 | ÷ | x | × | ( | x | + | 303 25 | ) | = | 150 | ( | x | + | 303 25 | ) |
7800 | + | 10000 | ÷ | x | × | x | + | 10000 | ÷ | x | × | 303 25 | + | 7500 | ÷ | x | × | ( | x | + | 303 25 | ) | = | 150 | ( | x | + | 303 25 | ) |
7800 | + | 10000 | ÷ | x | × | x | + | 10000 | ÷ | x | × | 303 25 | + | 7500 | ÷ | x | × | ( | x | + | 303 25 | ) | = | 150 | x | + | 150 | × | 303 25 |
7800 | + | 10000 | ÷ | x | × | x | + | 121200 | ÷ | x | + | 7500 | ÷ | x | × | ( | x | + | 303 25 | ) | = | 150 | x | + | 1818 |
方程两边同时乘以: | x |
7800 | x | + | 10000 | ÷ | 1 | × | 1 | x | + | 121200 | + | 7500 | ÷ | 1 | × | ( | x | + | 303 25 | ) | × | 1 | = | 150 | x | x | + | 1818 | x |
7800 | x | + | 10000 | ÷ | 1 | × | 1 | x | + | 121200 | + | 7500 | ÷ | 1 | × | x | × | 1 | + | 7500 | = | 150 | x | x | + | 1818 | x |
7800 | x | + | 10000 | x | + | 121200 | + | 7500 | x | + | 90900 | = | 150 | x | x | + | 1818 | x |
25300 | x | + | 212100 | = | 150 | x | x | + | 1818 | x |