Question 93153
x-y<=2
x-x-y<=-x+2
-y<=-x+2
-y/-1=>(-x/-1)+(2/-1)  [flip the sign when multiplying or dividing by a negative number]
.
y=>x-2

To graph, use a solid line for the boundary line; shade everything above the line.
Graphing:

{{{ graph( 300, 200, -6, 5, -10, 10, x-2, x-1, x, x+1, x+2 x+4, x+5,x+6), x+7}}}