Question 1003204: Select the option for "?" That continues the pattern in each equation.
3, -6, 12, 4, 20, ?
Answer by fractalier(6550)   (Show Source):
You can put this solution on YOUR website! One possible answer would be 14.
There are two separate sequences.
Another possible response (and more likely) would be 13,
as in -9,+18,-8,+16,then -7...
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