Question 372067
{{{2x+4y=10}}}
{{{4y=-2x+10}}}
{{{y=-(1/2)x+5/2}}}
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{{{graph(300,300,-5,5,-5,5,0,-(1/2)x+5/2)}}}
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{{{3x+6y=12}}}
{{{6y=-3x+12}}}
{{{y=-(1/2)x+2}}}
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{{{graph(300,300,-5,5,-5,5,0,-(1/2)x+5/2,-(1/2)x+2)}}}
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Because the lines are parallel, {{{m[1]=m[2]=-1/2}}}