解不等式组3x+8-5(x-1)<3.3x+8-5(x-1)>0

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解不等式组3x+8-5(x-1)<3.3x+8-5(x-1)>0
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解不等式组3x+8-5(x-1)<3.3x+8-5(x-1)>0
解不等式组3x+8-5(x-1)<3.3x+8-5(x-1)>0

解不等式组3x+8-5(x-1)<3.3x+8-5(x-1)>0
3x+8-5(x-1)<3 (1)
3x+8-5(x-1)>0 (2)
解(1):
3x+8-5x+510
x>5
解(2):
3x+8-5x+5>0
2x

3x+8-5x+5-3<0
-2x+10<0
2x-10>0
x>5 (1)
3x+8-5x+5>0
-2x+13>0
x<6.5 (2)
综合(1)(2)得
6.5>x>5

3x+8-5(x-1)<3。-2x<-10,x>5
3x+8-5(x-1)>0,-2x>-13,x<13/2
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