SOLUTION: Please help me solve this : Determine x∈Z for which -1≤ x+1/3 ≤1

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Question 1012388: Please help me solve this :
Determine x∈Z for which -1≤ x+1/3 ≤1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
-1%3C=x%2B1%2F3%3C=1
-4%2F3%3C=x%3C=2%2F3
So in the interval, [-4%2F3,2%2F3], how many integers are there?
{-1,0} is the solution.