Jambmaths question:
Find the range of value of x satisfying the inequalities $5+x\le 8$ and $13+x\ge 7$
Option A:
$-3\le x\le 3$
Option B:
$-3\le x\le 6$
Option C:
$-6\le x\le 3$
Option D:
$-6\le x\le -3$
Jamb Maths Solution:
$\begin{align} & 5+x\le 8 \\ & x\le 3 \\ & \text{Also } \\ & 13+x\ge 7 \\ & x\ge -6 \\ & \text{The range is}-6\le x\le 3 \\\end{align}$
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