Question 1013407
 y = 1/3x + 2
x - 3y= -12
Graft solutions 
y = (1/3)x + 2
y = (1/3)x + 4
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{{{graph(400,400,-10,10,-10,10,(1/3)x+2, (1/3)x+4)}}}
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There is no solution for the system.
The lines are parallel because the slopes are both 1/3.
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Cheers,
Stan H.