( | 10000 | − | 2400 | − | 2500 | − | 4000 | ) | ÷ | x | + | 10000 | ÷ | ( | x | + | 112 5 | ) | + | 10000 | ÷ | x | + | 10000 | ÷ | x | = | 150 |
方程两边同时乘以: | x |
( | 10000 | − | 2400 | − | 2500 | − | 4000 | ) | + | 10000 | ÷ | ( | x | + | 112 5 | ) | × | x | + | 10000 | ÷ | 1 | × | 1 | + | 10000 | ÷ | 1 | × | 1 | = | 150 | x |
10000 | − | 2400 | − | 2500 | − | 4000 | + | 10000 | ÷ | ( | x | + | 112 5 | ) | × | x | + | 10000 | ÷ | 1 | × | 1 | + | 10000 | ÷ | 1 | = | 150 | x |
10000 | − | 2400 | − | 2500 | − | 4000 | + | 10000 | ÷ | ( | x | + | 112 5 | ) | × | x | + | 10000 | + | 10000 | = | 150 | x |
21100 | + | 10000 | ÷ | ( | x | + | 112 5 | ) | × | x | = | 150 | x |
方程两边同时乘以: | ( | x | + | 112 5 | ) |
21100 | ( | x | + | 112 5 | ) | + | 10000 | x | = | 150 | x | ( | x | + | 112 5 | ) |
21100 | x | + | 21100 | × | 112 5 | + | 10000 | x | = | 150 | x | ( | x | + | 112 5 | ) |
21100 | x | + | 21100 | × | 112 5 | + | 10000 | x | = | 150 | x | x | + | 150 | x | × | 112 5 |
21100 | x | + | 472640 | + | 10000 | x | = | 150 | x | x | + | 3360 | x |
31100 | x | + | 472640 | = | 150 | x | x | + | 3360 | x |