题目内容
已知8x+1<-2x,则下列各式中正确的是( )
A.10x+1>0 | B.10x+1<0 | C.8x-1>2x | D.10x>-1 |
∵8x+1<-2x,
∴8x+2x+1<-2x+2x,
即10x+1<0.
故选B.
∴8x+2x+1<-2x+2x,
即10x+1<0.
故选B.
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题目内容
A.10x+1>0 | B.10x+1<0 | C.8x-1>2x | D.10x>-1 |