Question 388128
go on this link you will find a similar example and a graph
http://www.purplemath.com/modules/ineqlin2.htm
set y=0
0<2x+2
-2x<2
x>-1

on real line your domain (-1,+infinity)
so, make a line marking -infinity to positive infinity
highlight from -1 to +infinity
go here to see the graph http://www.purplemath.com/modules/ineqlin.htm