SOLUTION: -5, 10, -15, 20 find the nth term rule

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Question 1074837: -5, 10, -15, 20 find the nth term rule
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618) About Me  (Show Source):
Answer by MathTherapy(10552) About Me  (Show Source):
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-5, 10, -15, 20 find the nth term rule 
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