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(
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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
(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
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
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