( | x | − | 24 | ) | × | 3 4 | ÷ | 700 | = | ( | x | − | 4 | ) | × | 3 4 | ÷ | 500 |
方程左边 = | ( | x | − | 24 | ) | × | 3 2800 |
( | x | − | 24 | ) | × | 3 2800 | = | ( | x | − | 4 | ) | × | 3 4 | ÷ | 500 |
方程左边 = | x | × | 3 2800 | − | 24 | × | 3 2800 |
= | x | × | 3 2800 | − | 9 350 |
3 2800 | x | − | 9 350 | = | ( | x | − | 4 | ) | × | 3 4 | ÷ | 500 |
方程右边 = | ( | x | − | 4 | ) | × | 3 2000 |
3 2800 | x | − | 9 350 | = | ( | x | − | 4 | ) | × | 3 2000 |
方程右边 = | x | × | 3 2000 | − | 4 | × | 3 2000 |
= | x | × | 3 2000 | − | 3 500 |
3 2800 | x | − | 9 350 | = | 3 2000 | x | − | 3 500 |
3 2800 | x | − | 3 2000 | x | = | - | 3 500 | + | 9 350 |
- | 3 7000 | x | = | - | 3 500 | + | 9 350 |
- | 3 7000 | x | = | 69 3500 |
- | 69 3500 | = | 3 7000 | x |
3 7000 | x | = | - | 69 3500 |
x | = | - | 69 3500 | ÷ | 3 7000 |
= | - | 69 3500 | × | 7000 3 |
= | - | 23 | × | 2 |
x | = | - | 46 |