Question: Write a formula for the general term ( the n th term ) of the arithmetic sequence below. Then use the formula for a n

Write a formula for the general term (the nth term) of the arithmetic sequence below. Then use the formula for an to find a20, the 20 th term of the sequence.
2,7,12,17,dots
The formula is an=(Simplify your answer.)
a20=
Write a formula for the general term (the nth term) of

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