[tex]\bf x-2y=-2\qquad \boxed{(\stackrel{x}{\text{\textemdash} },\stackrel{y}{-2})}\qquad x-2\stackrel{y}{(-2)}=-2\implies x+4=-2
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x=-2-4\implies x=-6\qquad \qquad (\stackrel{x}{-6}~,~\stackrel{y}{-2})\\\\
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x-2y=-2\qquad \boxed{(\stackrel{x}{6},\stackrel{y}{\text{\textemdash} })}\qquad
\stackrel{x}{6}-2y=-2\implies -2y=-2-6
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-2y=-8\implies y=\cfrac{-8}{-2}\implies y=4\qquad \qquad (\stackrel{x}{6}~~,~~\stackrel{y}{4})[/tex]
