SOLUTION: find three consecutive integers such that the sum of the first and second is 7 more than the third.

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Question 376530: find three consecutive integers such that the sum of the first and second is 7 more than the third.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Let x, (x+1) and (x+2) represent the three consecutive integers

Write as we Read***

x + (x+1) = (x+2) + 7

solving for x

2x + 1 = x + 9

x = 8, first of the three consecutive integers

8 , 9  and 10 are the integers

CHECKING our Anwer

8 + 9 = 10 + 7 = 17