一道sat数学真题,

题目

一道sat数学真题,
if a number is chosen at random from the set {-12,-6,0,6,12}.what is the probability that
it is a member of the solution set of both 2x-3-6?
(A)0 (B) 1/5 (C) 2/5(D) 3/5 (E)4/5
c是对的，

答案

-6和0满足条件,所以选择C