Question 83376
solve the system by graphing 
3x+y=-1
9x+3y=-3 
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If you multiply the 1st equation by 3 you will get the 2nd equation.
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Therefore the solution for the system is y=-3x-3
{{{graph(400,300,-10,10,-10,10,-3x-1)}}}
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Cheers,
Stan H.