7600 | ÷ | ( | 150 | + | x | ) | + | 27600 | ÷ | ( | 210 | + | x | ) | = | 142 |
方程两边同时乘以: | ( | 150 | + | x | ) |
7600 | + | 27600 | ÷ | ( | 210 | + | x | ) | × | ( | 150 | + | x | ) | = | 142 | ( | 150 | + | x | ) |
7600 | + | 27600 | ÷ | ( | 210 | + | x | ) | × | 150 | + | 27600 | ÷ | ( | 210 | + | x | ) | × | x | = | 142 | ( | 150 | + | x | ) |
7600 | + | 27600 | ÷ | ( | 210 | + | x | ) | × | 150 | + | 27600 | ÷ | ( | 210 | + | x | ) | × | x | = | 142 | × | 150 | + | 142 | x |
7600 | + | 4140000 | ÷ | ( | 210 | + | x | ) | + | 27600 | ÷ | ( | 210 | + | x | ) | × | x | = | 21300 | + | 142 | x |
方程两边同时乘以: | ( | 210 | + | x | ) |
7600 | ( | 210 | + | x | ) | + | 4140000 | + | 27600 | x | = | 21300 | ( | 210 | + | x | ) | + | 142 | x | ( | 210 | + | x | ) |
7600 | × | 210 | + | 7600 | x | + | 4140000 | + | 27600 | x | = | 21300 | ( | 210 | + | x | ) | + | 142 | x | ( | 210 | + | x | ) |
7600 | × | 210 | + | 7600 | x | + | 4140000 | + | 27600 | x | = | 21300 | × | 210 | + | 21300 | x | + | 142 | x | ( | 210 | + | x | ) |
1596000 | + | 7600 | x | + | 4140000 | + | 27600 | x | = | 4473000 | + | 21300 | x | + | 142 | x | ( | 210 | + | x | ) |
5736000 | + | 35200 | x | = | 4473000 | + | 21300 | x | + | 142 | x | ( | 210 | + | x | ) |
5736000 | + | 35200 | x | = | 4473000 | + | 21300 | x | + | 142 | x | × | 210 | + | 142 | x | x |
5736000 | + | 35200 | x | = | 4473000 | + | 21300 | x | + | 29820 | x | + | 142 | x | x |
5736000 | + | 35200 | x | = | 4473000 | + | 51120 | x | + | 142 | x | x |