-y+4x>-13 in slope intercept form
-y+4x>-13-y>-13-4xy>13+4xy>4x+13
slope intercepty=mx+bm=slopeb=ynterceptbasically solve for y-y+4x>-13add y to both sides4x>-13+yflip and reversy-13<4xadd 13 to both sidesy<4x+13