解不等式组3x+8-5(x-1)<3.3x+8-5(x-1)>0
问题描述:
解不等式组3x+8-5(x-1)<3.3x+8-5(x-1)>0
答
3x+8-5(x-1)<3。-2x5
3x+8-5(x-1)>0,-2x>-13,x6
答
3x+8-5x+5-3-2x+102x-10>0
x>5 (1)
3x+8-5x+5>0
-2x+13>0
x综合(1)(2)得
6.5>x>5
答
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