5x-1>3(x+1)5x-1>3x+35x-3x>3+12x>4x>20.5x-1<7-2/3x1/2x-1<7-2/3x1/2x+2/3x<7+1(2/3=4/6,1/2=3/6)7/6x<8x<48/7则2<x<48/7
5x-1>3(x+1)5x-1>3x+32x>4x>20.5x-1<7-2/3x1/2x-1<7-2/3x7/6x<8x<48/7则2<x<48/7