Question 346158
{{{x=2t-4}}}
{{{x+4=2t}}}
{{{t=(x+4)/2}}}
Substitute into the y equation,
{{{y=-(x+4)/2+2}}}
{{{y=-x/2-2+2}}}
{{{y=-(1/2)x}}}
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{{{graph(300,300,-10,10,-10,10,-x/2)}}}