解不等式3X+1/X-1≥53X+1分之X-1 大于等于 5 ,

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解不等式3X+1/X-1≥53X+1分之X-1大于等于5,解不等式3X+1/X-1≥53X+1分之X-1大于等于5,解不等式3X+1/X-1≥53X+1分之X-1大于等于5,(x-1)/(3x+1)≥

解不等式3X+1/X-1≥53X+1分之X-1 大于等于 5 ,
解不等式3X+1/X-1≥5
3X+1分之X-1 大于等于 5 ,

解不等式3X+1/X-1≥53X+1分之X-1 大于等于 5 ,
(x-1)/(3x+1)≥5
(x-1-15x-5)/(3x+1)≥5
(14x+6)/(3x+1)≤0
-6/14≤x≤-1/3
又∵x≠-1/3
∴-6/13≤x<-1/3