Question

let N be the middle number of three consecutive intergers. write and expression for the sum of these intergers

Answer 1

Step-by-step explanation

Since the consecutive numbers are numbers in order, the three consecutive numbers are the following:

Sum of three consecutive numbers:

(n-1) + (n) + (n+1)

Removing the parentheses:

n - 1 + n + n + 1 =

Adding like terms:

= 3n

The solution is 3n