Question 371758
{{{m=(DELTA*y)/(DELTA*x)=1/2}}}
({{{1}}},{{{2}}})+({{{DELTA*x}}},{{{DELTA*y}}})=({{{1}}},{{{2}}})+({{{2}}},{{{1}}})=({{{3}}},{{{3}}})
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{{{drawing(300,300,-5,5,-5,5,grid(1),circle(1,2,0.3),circle(3,3,0.3),graph(300,300,-5,5,-5,5,0,(1/2)(x-1)+2))}}}