Question 104911
{{{x-2y=6}}}
___{{{x=2y+6}}}


{{{x+4y=5}}}


But,
___{{{x=2y+6}}}

Thus,

_____{{{x+4y=5}}}
{{{(2y+6)+4y=5}}}
_____{{{6y+6=5}}}
_______{{{6y=-1}}}
________{{{y=-1/6}}}

Solving for x,

{{{x=4(-1/6)+6}}}
{{{x=-2/3+6}}}
{{{x=16/3}}}

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HyperBrain!