x/6-6a-1/3=x-5a-1/2
x/6-x=-5a-1/2+6a+1/3
-5x/6=a-1/6
x=1/5-6a/5
解＞1,即1/5-6a/5>1,解得-6a/5>1-1/5,-6a/5>4/5,a