Question 930786
Similar to graphing the line related, but the solution to indicate is a half-plane INCLUDING the line.


Simple Algebra, {{{x+y-x<=3-x}}}
{{{y<=-x+3}}}.
Slope is {{{-1}}} and y-intercept is (0,3).  The part of the plane to include with the solution is the part BELOW the line.



{{{graph(300,300,-8,8,-8,8,x+y<=3)}}}