Question 428833
 Solve system of equations by graphing 
2x-y=4
4x-2y=8
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Multiply thru the 1st equation by 2:
4x-2y = 8
4x-2y = 8
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The two equations are the same:
y = 2x-4
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Graph:
{{{graph(400,300,-10,10,-10,10,2x-4)}}}
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Cheers,
Stan H.
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