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Find the sum of the first 50 terms of the arithmetic sequence -15,-11,-7,-3

Find the sum of the first 50 terms of the arithmetic sequence -15,-11,-7,-3
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Find the sum of the first 50 terms of the arithmetic sequence -15,-11,-7,-3

User Mechkov
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1 Answer

6 votes
just keep adding 4 to the left and subtracting 4 to the right
User Boeprox
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