SOLUTION: The number of sequence is 17 if the second is 3 what is the first number?

Algebra ->  Sequences-and-series -> SOLUTION: The number of sequence is 17 if the second is 3 what is the first number?      Log On


   

Question 977865: The number of sequence is 17 if the second is 3 what is the first number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
What do you mean by "the number of the sequence is 17"?
It's not the first number.
It's not the second number.
Is it the common difference between values?
If so, then
a%5B2%5D=a%5B1%5D%2Bd
3=a%5B1%5D%2B17
a%5B1%5D=3-17
a%5B1%5D=-14