SOLUTION: given three consecutive integers twice the third integers is the same as the second integer increased by 21. what are the integers?

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Question 940857: given three consecutive integers twice the third integers is the same as the second integer increased by 21. what are the integers?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
consecutive integers: (x-1), x, (x+1)

2(x+1) = x + 21
2x + 2 = x + 21
x = 19

The integers are 18, 19, and 20.