1 | ÷ | 3 | × | ( | 2 | x | − | 3 | ) | + | 3 | ÷ | 5 | × | ( | 3 | x | − | 5 | ) | = | 2 | ÷ | 5 | × | ( | 2 | x | − | 3 | ) | − | 4 | ÷ | 3 | × | ( | 3 | x | − | 5 | ) |
方程左边 = | 1 3 | ( | 2 | x | − | 3 | ) | + | 3 5 | ( | 3 | x | − | 5 | ) |
1 3 | ( | 2 | x | − | 3 | ) | + | 3 5 | ( | 3 | x | − | 5 | ) | = | 2 | ÷ | 5 | × | ( | 2 | x | − | 3 | ) | − | 4 | ÷ | 3 | × | ( | 3 | x | − | 5 | ) |
方程左边 = | 1 3 | × | 2 | x | − | 1 3 | × | 3 | + | 3 5 | ( | 3 | x | − | 5 | ) |
= | 2 3 | x | − | 1 | + | 3 5 | ( | 3 | x | − | 5 | ) |
= | 2 3 | x | − | 1 | + | 3 5 | × | 3 | x | − | 3 5 | × | 5 |
= | 2 3 | x | − | 1 | + | 9 5 | x | − | 3 |
= | 37 15 | x | − | 4 |
37 15 | x | − | 4 | = | 2 | ÷ | 5 | × | ( | 2 | x | − | 3 | ) | − | 4 | ÷ | 3 | × | ( | 3 | x | − | 5 | ) |
方程右边 = | 2 5 | ( | 2 | x | − | 3 | ) | − | 4 3 | ( | 3 | x | − | 5 | ) |
37 15 | x | − | 4 | = | 2 5 | ( | 2 | x | − | 3 | ) | − | 4 3 | ( | 3 | x | − | 5 | ) |
方程右边 = | 2 5 | × | 2 | x | − | 2 5 | × | 3 | − | 4 3 | ( | 3 | x | − | 5 | ) |
= | 4 5 | x | − | 6 5 | − | 4 3 | ( | 3 | x | − | 5 | ) |
= | 4 5 | x | − | 6 5 | − | 4 3 | × | 3 | x | + | 4 3 | × | 5 |
= | 4 5 | x | − | 6 5 | − | 4 | x | + | 20 3 |
= | - | 16 5 | x | + | 82 15 |
37 15 | x | − | 4 | = | - | 16 5 | x | + | 82 15 |
37 15 | x | + | 16 5 | x | = | 82 15 | + | 4 |
17 3 | x | = | 82 15 | + | 4 |
17 3 | x | = | 142 15 |
x | = | 142 15 | ÷ | 17 3 |
= | 142 15 | × | 3 17 |
= | 142 5 | × | 1 17 |
x | = | 142 85 |
x | = | 1.670588 |