(1)-1/2+3x>2+5/2x>9/2(2)1-1/2-x>x-11/2>2x-12x<3/2x<3/4(3)5x-3<1-3x5x+3x<1+38x<4x<1/2
(1)x>4.5(2)x<0.75(3)x<0.5
