Question 382855
3x+y<4
-3x     -3x
y<(-3x+4)
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The boundary 
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{{{graph(300,300,-5,5,-5,5,(-3x+4))}}}

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y<(-3x+4)
{{{graph(300,300,-5,5,-5,5,y<(-3x+4))}}}
All the values in the shaded area can be solutions for the inequality.
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m.ananth@hotmail.ca