Algebra-1

Question Analysis
This question tests the student's ability to use the explicit formula for an arithmetic sequence to find a specific term. The given values are the first term and the common difference . The student needs to substitute these values into the formula to find the 7th term.

Key Concept Explanation
The explicit formula for an arithmetic sequence, , allows us to directly calculate any term in the sequence without needing to know the previous terms. It is derived based on the first term and the common difference .

Step-by-step Solution
1. Identify the given values: ,

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