(1)x+3>-1 (2)6x<5x-7 (3)-1/3x<2/3 (4) 4x>-12 x>-1+(-3) 6x-5x<-7 x>-2 x>-3 x>-4 x<-7
先解不等式。再画数轴。大于就向右，小于向左
