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OpenStudy (anonymous):
Find an equation for the nth term of the arithmetic sequence. -20, -16, -12, -8, ... an = -20 x 4(n - 1) an = -20 + 4(n - 1) an = -20 + 4(n + 2) an = -20 + 4(n + 1) i think it is n = -20 + 4(n - 1)
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Parth (parthkohli):
And you're right!
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