Solve the following linear inequation in `R :1/(x-1)lt=2`

Explanation

` 1/(x-1) <= 2 `


if ` x-1>0 = x>1 `


then, ` 1<= 2(x-1) = 2x>= 3 = x>=3/2 `


if ` x-1<0 = x<1 `


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