7600 | ÷ | ( | 150 | + | x | ) | + | 25200 | ÷ | ( | 210 | + | x | ) | = | 150 |
方程两边同时乘以: | ( | 150 | + | x | ) |
7600 | + | 25200 | ÷ | ( | 210 | + | x | ) | × | ( | 150 | + | x | ) | = | 150 | ( | 150 | + | x | ) |
7600 | + | 25200 | ÷ | ( | 210 | + | x | ) | × | 150 | + | 25200 | ÷ | ( | 210 | + | x | ) | × | x | = | 150 | ( | 150 | + | x | ) |
7600 | + | 25200 | ÷ | ( | 210 | + | x | ) | × | 150 | + | 25200 | ÷ | ( | 210 | + | x | ) | × | x | = | 150 | × | 150 | + | 150 | x |
7600 | + | 3780000 | ÷ | ( | 210 | + | x | ) | + | 25200 | ÷ | ( | 210 | + | x | ) | × | x | = | 22500 | + | 150 | x |
方程两边同时乘以: | ( | 210 | + | x | ) |
7600 | ( | 210 | + | x | ) | + | 3780000 | + | 25200 | x | = | 22500 | ( | 210 | + | x | ) | + | 150 | x | ( | 210 | + | x | ) |
7600 | × | 210 | + | 7600 | x | + | 3780000 | + | 25200 | x | = | 22500 | ( | 210 | + | x | ) | + | 150 | x | ( | 210 | + | x | ) |
7600 | × | 210 | + | 7600 | x | + | 3780000 | + | 25200 | x | = | 22500 | × | 210 | + | 22500 | x | + | 150 | x | ( | 210 | + | x | ) |
1596000 | + | 7600 | x | + | 3780000 | + | 25200 | x | = | 4725000 | + | 22500 | x | + | 150 | x | ( | 210 | + | x | ) |
5376000 | + | 32800 | x | = | 4725000 | + | 22500 | x | + | 150 | x | ( | 210 | + | x | ) |
5376000 | + | 32800 | x | = | 4725000 | + | 22500 | x | + | 150 | x | × | 210 | + | 150 | x | x |
5376000 | + | 32800 | x | = | 4725000 | + | 22500 | x | + | 31500 | x | + | 150 | x | x |
5376000 | + | 32800 | x | = | 4725000 | + | 54000 | x | + | 150 | x | x |