Question 1205412
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3y>9-2x

2x+3y<-6
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Put both into slope-intercept form and graph each region separately.  The overlapping parts is your graph, which will exclude the reference lines.


{{{system(y>-2x/3+3,3y<-2x-6)}}}


{{{system(y>-2x/3+3,y<-2x/3-2)}}}


The graphed reference lines:
{{{graph(400,400,-5,5,-5,5,-2x/3+3,-2x/3-2)}}}


But in this example, no overlap.  Two separated regions.