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7, 3, -1, -5, … What is the 7th value in the sequence?

Answer :

UNICORN3125GO

Answer:

         - 17

Step-by-step explanation:

7

3 = 7 - 4

-1 = 3 - 4

-5 = -1 - 4

so the 5th:  -5 - 4 = -9

     the 6th:   -9 - 4 = -13

and the 7th:   -13 - 4 = -17

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