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28 October, 11:24

The first term in a sequence is x. Each subsequent term is three less than twice thw preceding term. what is the 5th term in the sequence?

A) 8x-21

B) 8x-15

C) 16x-39

D) 16x-45

E) 32x-93 ... ?

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Answers (1)
  1. 28 October, 14:19
    0
    I've solved it by using this sequence:

    x, 2x-3,

    2 (2x-3) - 3,

    2 (2 (2x-3) - 3) - 3,

    2 (2 (2 (2x-3) - 3) - 3) - 3

    So the answer is D) 16x-45.
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