Question

If l=25, n=8, d=3, and l=a+(n-1)d, find the value of a (I got a=2 am I right if not whats the answer?)

Answer 1

A=4 I think

Explanation:

I=a+(n-1)d

25=a+(8-1)3

25=a+21

25-21=a+21-21

4=a