SOLUTION: What is the first number in a sequence where 3 is the second number and 17 is the next number?

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Question 973178: What is the first number in a sequence where 3 is the second number and 17 is the next number?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Unknown what you are trying to find. Do you have, want, or expect Arithmetic sequence?

Here would be what happens as Arithmetic sequence:
n=2, A%5B2%5D=3;
n=3, A%5B3%5D=17;
Common difference is 17-3=14.

for n=1, A%5B1%5D=A%5B2%5D-14
A%5B1%5D=3-14
highlight%28A%5B1%5D=-11%29