Find 3 consecutive odd integers, where the sum of the first two, is the same as twenty one more than the third

Question

Math equation

Answer 1

The 3 integers are

 

n

n + 2

n + 4

 

Given:

 

n + (n + 2) = (n + 4) + 21

 

Solve for n and get 23, 25, and 27 for the 3 integers.  Test the answer.