Question

. 2n -7 is an odd integer for each integer n. Then the sum of three odd
integers immediate to 2n-7 is​

Answer 1

Step-by-step explanation:

It looks like you're meant to rearrange 2n+7 to have the form 2k+1.

So

2n+7=2n+6+1=2(n+3)+1.

Since n+3 is an integer, we conclude that 2n+7 is odd.