半小时答出加财富!(1)y-(y-1)/6=2-(2y+3)/3(2)(x-3)/2-(x+2)/5=1.5(3)【2(z+1)】/4-(7z-3)/20=-1/5
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![半小时答出加财富!(1)y-(y-1)/6=2-(2y+3)/3(2)(x-3)/2-(x+2)/5=1.5(3)【2(z+1)】/4-(7z-3)/20=-1/5](/uploads/image/z/2442147-51-7.jpg?t=%E5%8D%8A%E5%B0%8F%E6%97%B6%E7%AD%94%E5%87%BA%E5%8A%A0%E8%B4%A2%E5%AF%8C%21%EF%BC%881%EF%BC%89y-%EF%BC%88y-1%EF%BC%89%2F6%3D2-%EF%BC%882y%2B3%EF%BC%89%2F3%EF%BC%882%EF%BC%89%EF%BC%88x-3%EF%BC%89%2F2-%EF%BC%88x%2B2%EF%BC%89%2F5%3D1.5%EF%BC%883%EF%BC%89%E3%80%902%EF%BC%88z%2B1%EF%BC%89%E3%80%91%2F4-%EF%BC%887z-3%EF%BC%89%2F20%3D-1%2F5)
半小时答出加财富!(1)y-(y-1)/6=2-(2y+3)/3(2)(x-3)/2-(x+2)/5=1.5(3)【2(z+1)】/4-(7z-3)/20=-1/5
半小时答出加财富!
(1)y-(y-1)/6=2-(2y+3)/3
(2)(x-3)/2-(x+2)/5=1.5
(3)【2(z+1)】/4-(7z-3)/20=-1/5
半小时答出加财富!(1)y-(y-1)/6=2-(2y+3)/3(2)(x-3)/2-(x+2)/5=1.5(3)【2(z+1)】/4-(7z-3)/20=-1/5
(1)y-(y-1)/6=2-(2y+3)/3
等价于5y/6+1/6=2y/3+1
即:y/6=5/6
y=5
(2)(x-3)/2-(x+2)/5=1.5
等价于x/2-3/2-x/5-2/5=1.5
即:3x/10-19/10=3/2
x=34/3
(3)【2(z+1)】/4-(7z-3)/20=-1/5
等价于z/2+1/2-7z/20+3/20=-1/5
即:3z/20+13/20=-1/5
z=17/3
1.同乘6:6y-y+1=12-4y-6 答案:11/10
其他懒得算了
我靠,这什么问题,我也六年级的,怎么没做到?
啊苏苏苏十多岁的是
1 两边同乘6得 6y-y+1=12-4y-6
5y+1=6-4y
两边同+4y 9y+1=6
两边同减去1 9y=5
y=5/9
2. 两边同乘10 5x-15-2x-4=15
3x-19=15
3x=34
...
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1 两边同乘6得 6y-y+1=12-4y-6
5y+1=6-4y
两边同+4y 9y+1=6
两边同减去1 9y=5
y=5/9
2. 两边同乘10 5x-15-2x-4=15
3x-19=15
3x=34
x=34/ 3
3. 两边同乘20 10z+10-7z+3=-4
3z+13=-4
3z=-17
z=- 17/3
收起
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