Jambmaths question:
The solution of the simultaneous inequality $2x-2\le y$ and $2y-x\le x$ represented by
Jamb Maths Solution:
$\begin{align} & {{l}_{1}}:2x-2\le y \\ & 2x-2=y \\ & \text{let }x=0,\text{ }y=-2 \\ & \text{ }\text{ }y=0,\text{ }x=1 \\ & (x,y)=(0,-2) \\ & (x,y)=(1,0) \\ & \\ & {{l}_{2}}:2y-2\le x \\ & \text{let }x=0,\text{ }y=1 \\ & y=0,\text{ }x=-2 \\ & (x,y)=(0,1) \\ & (x,y)=(-2,0) \\\end{align}$
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