5(x-2)+8<6(x-1)+75x-2<6x+1x>-3,最小整数解为x=-2x=-2代入2x-ax=3a=(2x-3)/x=[2×(-2)-3]/(-2)=7/24a- 14/a=4×(7/2)-14/(7/2)=14 -4=10
5x-10+8<6x-6+75x-2<6x+1x>-3所以解是x=-2-4+2a=3a=7/2所以4a-14=14-14=0