7500 | ÷ | ( | x | + | 297 25 | ) | + | 10000 | ÷ | x | × | 2 | = | 143 |
方程两边同时乘以: | ( | x | + | 297 25 | ) |
7500 | + | 10000 | ÷ | x | × | 2 | ( | x | + | 297 25 | ) | = | 143 | ( | x | + | 297 25 | ) |
7500 | + | 10000 | ÷ | x | × | 2 | x | + | 10000 | ÷ | x | × | 2 | × | 297 25 | = | 143 | ( | x | + | 297 25 | ) |
7500 | + | 10000 | ÷ | x | × | 2 | x | + | 10000 | ÷ | x | × | 2 | × | 297 25 | = | 143 | x | + | 143 | × | 297 25 |
7500 | + | 20000 | ÷ | x | × | x | + | 237600 | ÷ | x | = | 143 | x | + | 42471 25 |
方程两边同时乘以: | x |
7500 | x | + | 20000 | ÷ | 1 | × | 1 | x | + | 237600 | = | 143 | x | x | + | 42471 25 | x |