( | ( | 4 | ÷ | 7 | ) | x | ( | 2 | ÷ | 5 | ) | ) | ÷ | ( | 1 | ÷ | 14 | ) | − | 60 | = | 0 |
方程两边同时乘以: | ( | 1 | ÷ | 14 | ) |
( | ( | 4 | ÷ | 7 | ) | x | ( | 2 | ÷ | 5 | ) | ) | − | 60 | ( | 1 | ÷ | 14 | ) | = | 0 |
( | 4 | ÷ | 7 | ) | x | ( | 2 | ÷ | 5 | ) | − | 60 | ( | 1 | ÷ | 14 | ) | = | 0 |
4 | ÷ | 7 | × | x | ( | 2 | ÷ | 5 | ) | − | 60 | ( | 1 | ÷ | 14 | ) | = | 0 |
4 7 | x | ( | 2 | ÷ | 5 | ) | − | 60 | ( | 1 | ÷ | 14 | ) | = | 0 |
4 7 | x | × | 2 | ÷ | 5 | − | 60 | ( | 1 | ÷ | 14 | ) | = | 0 |
8 35 | x | − | 60 | ( | 1 | ÷ | 14 | ) | = | 0 |
8 35 | x | − | 60 | × | 1 | ÷ | 14 | = | 0 |
8 35 | x | − | 30 7 | = | 0 |
8 35 | x | = | 0 | + | 30 7 |
8 35 | x | = | 30 7 |
x | = | 30 7 | ÷ | 8 35 |
= | 30 7 | × | 35 8 |
= | 15 | × | 5 4 |
x | = | 75 4 |
x | = | 18.75 |