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The sequence given is an arithmetic sequence where the first term \(a = 2\) and the common difference \(d = 3\).
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The general form for the \(n\)-th term of an arithmetic sequence is:
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\[
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a_n = a + (n-1) \cdot d
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\]
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Set \(a_n = 29\) and solve for \(n\):
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\[
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= 2 + (n-1) \cdot 3
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\]
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Subtract 2 from both sides:
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\[
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= (n-1) \cdot 3
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