Question 1017104
solve systems of linear equations by graphing. For example, 
2x+y=2
6x=-3y-9 
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Put both in slope-intercept form::
y = -2x+2
y = -2x-3
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Since the slopes are the same (m = -2), and the interecepts are
not the same, the lines are parallel.
There is no solution.
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{{{graph(400,400,-10,10,-10,10,-2x+2,-2x-3)}}}
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Cheers,
Stan H.