SOLUTION: Three lockers are numbered consecutively (n,n+1,n+2) in such a way that the sum of the first and last lockers is the same as twice the middle locker number. What are the locker num

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Question 450107: Three lockers are numbered consecutively (n,n+1,n+2) in such a way that the sum of the first and last lockers is the same as twice the middle locker number. What are the locker numbers?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

Three lockers are numbered consecutively (n,n+1,n+2)

Question states***

 n + (n+2) = 2(n+1)

  2n + 2 = 2n + 2

  Lockers can be any consecutive numbers