Question 15

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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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