Algebra-1

Question Analysis
This question requires the student to determine the first term of the sequence given the second term and the common difference. 

Key Concept Explanation
The first term can be found by subtracting the common difference from the second term. The recursive formula is then written using the first term and the common difference.

Step-by-step Solution
1. Identify the second term:
2. Identify the common difference:
3. Find the first term: