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5, -10, 15, -20,... sequence
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2 votes
5, -10, 15, -20,... sequence

User John Wiseman
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1 Answer

2 votes
5, 10, 15, 20, 25.

Switching it from positive to negative...
5, -10, 15, -20.

Next number will be positive.
And will be 5 more than 20...

25.
User BinSys
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8.8k points
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