Question 954491
{{{3x+y=0}}}
{{{y=-3x}}}
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{{{drawing(300,300,-5,5,-5,5,grid(1), graph(300,300,-5,5,-5,5,-3x))}}}
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{{{2x-y=5}}}
{{{y=2x-5}}}
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{{{drawing(300,300,-5,5,-5,5,circle(1,-3,0.25),grid(1),  graph(300,300,-5,5,-5,5,-3x,2x-5))}}}
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