Question 48

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waecmaths question: 

Illustrated the inequality $-1<3x+5<14$ on a number line

Option A: 

Option B: 

Option C: 

Option D: 

waecmaths solution: 

$\begin{align}  & -1<3x+5<14 \\ & -1-5<3x<14-5 \\ & -6<3x<9 \\ & -2<x<3 \\ & Option\text{ }B \\\end{align}$

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