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8 February, 15:13

What is the solution to the equation 2^x+4 - 12=20?

A. x=0

B. x=1

C. x=2

D. x=9

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Answers (1)
  1. 8 February, 15:18
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    2^x+4 - 12=20

    2^x+4 = 20+12

    2^x+4 = 32

    2^x+4 = 2^5

    x+4 = 5

    x = 1

    answer is B. x=1
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