You can put this solution on YOUR website! 9x+3<6x-3
:
3x<-6........subtracted 6x and 3 from each side
:
x<-2.....divided by 2 on each side
:
the boundry line is a dotted line at x=-2 which is a vertical line which is parallel and 2 units to the left of the x axis. The shaded area is everything to the left of that line