Problema Solution

Find three consecutive odd integers such that the sum of the second and the third is four times the first.

Answer provided by our tutors

the three consecutive odd integers can be written as:


2x - 1, 2x + 1, 2x + 3, where x is integer


the sum of the second and the third is four times the first:


(2x + 1) + (2x + 3) = 4(2x - 1)


by solving we find:


x = 2


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2*2 - 1 = 3


2*2 + 1 = 5


2*2 + 3 = 7


the three consecutive odd integers are 3, 5 and 7.