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Solve for kk.\newline1k+1<1-1k + 1 < -1

Full solution

Q. Solve for kk.\newline1k+1<1-1k + 1 < -1
  1. Isolate variable term: Isolate the variable term in 1k+1<1-1k + 1 < -1.\newline1k+11<11-1k + 1 - 1 < -1 - 1\newline1k<2-1k < -2
  2. Divide by 1-1: Divide both sides by 1-1 to solve for kk. Remember that dividing by a negative number reverses the inequality sign.\newline1k1>21\frac{-1k}{-1} > \frac{-2}{-1}\newlinek>2k > 2

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