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Solve the summation from n equals 2 to 8 of negative 2 plus 5 times n.

Answers are 92, 146, 161, and 164. Thank for you helping!

Solve the summation from n equals 2 to 8 of negative 2 plus 5 times n. Answers are-example-1

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6 votes
i believe the answer is 161
User Ian Lunn
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