Question 879872
{{{3 x + y = 5}}}

{{{y=-3x+5}}}
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{{{drawing(300,300,-2,5,-5,2,grid(1),graph(300,300,-2,5,-5,2,-3x+5))}}}
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{{{-x + y = -7}}}
{{{y=x-7}}}
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{{{drawing(300,300,-2,5,-5,2,grid(1),circle(3,-4,0.2),graph(300,300,-2,5,-5,2,-3x+5,x-7))}}}