How do i solve for x: 1/4 = 8^(x+3)

I think I need to use Log, but how?
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1 Answer

   1/4 = (8^x)*(8^3)  

  1 = (8^x) *2048

  1/2048 =(8^x)

   log (1/2048) = xlog(8)

  X = log(1/2048)/log(8)

  X = -3.667     (3dp)

by Level 2 User (1.9k points)

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