( | x | − | 2 | ) | ( | 24 | − | 2 | x | ) | ÷ | 2 | = | ( | 5 | − | x | ) | × | 4 | ÷ | 2 |
方程左边 = | x | ( | 24 | − | 2 | x | ) | × | 1 2 | − | 2 | ( | 24 | − | 2 | x | ) | × | 1 2 |
= | x | ( | 24 | − | 2 | x | ) | × | 1 2 | − | 1 | ( | 24 | − | 2 | x | ) |
= | x | × | 24 | × | 1 2 | − | x | × | 2 | x | × | 1 2 | − | 1 | ( | 24 | − | 2 | x | ) |
= | x | × | 12 | − | x | × | 1 | x | − | 1 | ( | 24 | − | 2 | x | ) |
= | 12 | x | − | x | × | 1 | x | − | 1 | × | 24 | + | 1 | × | 2 | x |
= | 12 | x | − | x | × | 1 | x | − | 24 | + | 2 | x |
= | 14 | x | − | x | × | 1 | x | − | 24 |
14 | x | − | x | × | 1 | x | − | 24 | = | ( | 5 | − | x | ) | × | 4 | ÷ | 2 |
方程右边 = | ( | 5 | − | x | ) | × | 2 |
14 | x | − | x | × | 1 | x | − | 24 | = | ( | 5 | − | x | ) | × | 2 |
方程右边 = | 5 | × | 2 | − | x | × | 2 |
= | 10 | − | x | × | 2 |
14 | x | − | x | × | 1 | x | − | 24 | = | 10 | − | 2 | x |