Question 879137
Use the point.
{{{x-5y=C}}}
{{{3-5(7)=C}}}
{{{C=-32}}}
{{{highlight(x-5y=-32)}}}
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{{{drawing(300,300,-10,10,-10,10,grid(1),circle(3,7,0.4),
graph(300,300,-10,10,-10,10,6-5x,(x+32)/5)))}}}