Question 41

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waecmaths question: 

Solve the inequality $1-2x<-\tfrac{1}{3}$

Option A: 

$x<\tfrac{2}{3}$

Option B: 

$x<-\tfrac{2}{3}$

Option C: 

$x>\tfrac{2}{3}$

Option D: 

$x>-\tfrac{2}{3}$

waecmaths solution: 

$\begin{align}  & 1-2x<-\tfrac{1}{3} \\ & -2x<-\tfrac{1}{3}-1 \\ & -2x<-\tfrac{4}{3} \\ & x>\tfrac{2}{3} \\\end{align}$

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