SOLUTION: Find three consecutive numbers such that the sum of one-third of the first and one-seventh of the second is two less than one-half of the third.

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Question 1068145: Find three consecutive numbers such that the sum of one-third of the first and one-seventh of the second is two less than one-half of the third.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%281%2F3%29%28N-1%29%2B%281%2F7%29N=%281%2F2%29%28N%2B1%29-2
Multiply by 3%2A7%2A2=42
14%28N-1%29%2B6N=21%28N%2B1%29-84
14N-14%2B6N=21N%2B21-84
20N-14=21N-63
N=49
48,49,50