3 years ago

\log_{4} x + \log_{4} (x+5) = 6

1 answer:

8 0

   log(4)x + log(4)(x + 5) = 6
log(4)x + log(4)x + log(20) = 6
       log(8)x + log(20) = 6
        <u>    - log(20) - log(20)</u>
      <u>log(8)x</u> = <u>6 - log(20)</u>
   log(8)    log(8)
   x ≈ 0.999

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