SOLUTION: The sum of three consecutive integers is -87. What are the integers?

Question 1054154: The sum of three consecutive integers is -87. What are the integers?

Answer by ikleyn(52790) (Show Source): You can put this solution on YOUR website!
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The sum of three consecutive integers is -87. What are the integers?
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-30, -29, -28.


Notice that the middle number of these three is exactly one third of their sum.


It is not an occasional coincidence. It is the RULE.


Indeed, if the tree numbers are (x-1), x, and (x+1) with the middle "x", then their sum is Sum = (x-1) + x + (x+1) = 3x  

and x = .

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