# Let n be the middle number of three consecutive integers. Write an expression for the sum of these integers.?

Apr 14, 2018

Consecutive numbers are numbers in order, so the three consecutive numbers are $n - 1$, $n$ and $n + 1$.
$\left(n - 1\right) + \left(n\right) + \left(n + 1\right)$
$= 3 n$