Question 363150
{{{-2x+y=1}}}
{{{y=2x+1}}}
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{{{drawing(300,300,-5,5,-5,5,grid(1), graph(300,300,-5,5,-5,5,0,2x+1))}}}
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{{{3x+y=1}}}
{{{y=-3x+1}}}
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{{{drawing(300,300,-5,5,-5,5,grid(1),circle(0,1,0.3),graph(300,300,-5,5,-5,5,0,2x+1,-3x+1))}}}