( | 8019 100 | − | x | ) | ÷ | x | × | 100 | = | 39 10 | − | ( | ( | x | − | 3859 50 | ) | ÷ | 3859 50 | × | 100 | ) |
方程两边同时乘以: | x |
( | 8019 100 | − | x | ) | × | 100 | = | 39 10 | x | − | ( | ( | x | − | 3859 50 | ) | ÷ | 3859 50 | × | 100 | ) | x |
8019 100 | × | 100 | − | x | × | 100 | = | 39 10 | x | − | ( | ( | x | − | 3859 50 | ) | ÷ | 3859 50 | × | 100 | ) | x |
8019 100 | × | 100 | − | x | × | 100 | = | 39 10 | x | − | ( | x | − | 3859 50 | ) | ÷ | 3859 50 | × | 100 | x |
8019 | − | x | × | 100 | = | 39 10 | x | − | ( | x | − | 3859 50 | ) | × | 5000 3859 | x |
8019 | − | 100 | x | = | 39 10 | x | − | x | × | 5000 3859 | x | + | 3859 50 | × | 5000 3859 | x |
8019 | − | 100 | x | = | 39 10 | x | − | x | × | 5000 3859 | x | + | 100 | x |
8019 | − | 100 | x | = | 1039 10 | x | − | x | × | 5000 3859 | x |