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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