( | 100 | ÷ | 115 | ) | x | − | ( | 10 | ÷ | 12 | ) | ( | x | − | 4 | ) | ÷ | ( | 100 | ÷ | 115 | ) | × | x | = | 1 20 |
方程两边同时乘以: | ( | 100 | ÷ | 115 | ) |
( | 100 | ÷ | 115 | ) | x | ( | 100 | ÷ | 115 | ) | − | ( | 10 | ÷ | 12 | ) | ( | x | − | 4 | ) | x | = | 1 20 | ( | 100 | ÷ | 115 | ) |
100 | ÷ | 115 | × | x | ( | 100 | ÷ | 115 | ) | − | ( | 10 | ÷ | 12 | ) | ( | x | − | 4 | ) | x | = | 1 20 | ( | 100 | ÷ | 115 | ) |
100 | ÷ | 115 | × | x | ( | 100 | ÷ | 115 | ) | − | ( | 10 | ÷ | 12 | ) | ( | x | − | 4 | ) | x | = | 1 20 | × | 100 | ÷ | 115 |
20 23 | x | ( | 100 | ÷ | 115 | ) | − | ( | 10 | ÷ | 12 | ) | ( | x | − | 4 | ) | x | = | 1 23 |
20 23 | x | × | 100 | ÷ | 115 | − | ( | 10 | ÷ | 12 | ) | ( | x | − | 4 | ) | x | = | 1 23 |
400 529 | x | − | ( | 10 | ÷ | 12 | ) | ( | x | − | 4 | ) | x | = | 1 23 |
400 529 | x | − | 10 | ÷ | 12 | × | ( | x | − | 4 | ) | x | = | 1 23 |
400 529 | x | − | 5 6 | ( | x | − | 4 | ) | x | = | 1 23 |
400 529 | x | − | 5 6 | x | x | + | 5 6 | × | 4 | x | = | 1 23 |
400 529 | x | − | 5 6 | x | x | + | 10 3 | x | = | 1 23 |
6490 1587 | x | − | 5 6 | x | x | = | 1 23 |