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gfields444

  • 3 years ago

What is the solution to the equation log [2] x – log [2] 4 = 2 ?

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  1. gfields444
    • 3 years ago
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    i got x=18 but I wanted another opinion

  2. Shi
    • 3 years ago
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    I dont think thats correct, what did your equation look like before your answer?

  3. fall2012
    • 3 years ago
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    |dw:1346720360010:dw|

  4. fall2012
    • 3 years ago
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    that is supposed to be a sixteen

  5. lgbasallote
    • 3 years ago
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    \[\log_2 x - \log_2 4 =2\] \[\implies \log_2 (\frac x4) = 2\] change to expoenntial form \[\implies 2^2 = \frac x 4\] simplify... \[\implies 4 = \frac x4\] cross multiply \[\implies 4 \times 4 =x\] simplify.. \[\boxed{\implies 16 = x}\]

  6. gfields444
    • 3 years ago
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    Ohhh. Okay I see exactly what I did wrong. I really appreciate it..!

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