Find the algebraic expression to express the following number series :
7,12,17,22,27,32,…… (n = 1,2,3...)
5n + 2
Each number in the above series can be expressed as (5n+2), where n= 1,2,3,......
7 = 5(n) +2, when n=1
12= 5(n) + 2, when n= 2 and so on..