解不等式3X+1/X-1≥5

问题描述:

解不等式3X+1/X-1≥5
3X+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