Question 421389
3x+4y<12
{{{ 3x+4y <=12}}}
{{{4y<=-3x+12}}}
/4

{{{y<=-3x/4+3}}}

The boundary
{{{graph(300,300,-10,10,-10,10,y=(-3x/4)+3))}}}

The inequality

{{{graph(300,300,-10,10,-10,10,y<=(-3x/4)+3))}}}