Question 239063
2x-y<=2
-y<=-2x+2
y>=-2x/-1+2/-1 ( note the < sign changes to a > sign when dividing by a negative value.
y>=2x-2
{{{ graph( 300, 200, -6, 5, -10, 10, 2x +2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 2x +2). 
The > indicates that the all values (x,y) above the line are solutions.
Proof:
Let x=-4 & y=5
2*-4-(-5)<2
-8+5<2
-3<2 TRUE.
Let x=4 & y=5
2*4-5<2
8-5<2
3<2 FALSE.