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anonymous

  • 5 years ago

y=log(7x+14) and y=1+log(x-7) solve

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  1. anonymous
    • 5 years ago
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    are the logs in base 10?

  2. anonymous
    • 5 years ago
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    yes it just says log not log 2 or anything

  3. anonymous
    • 5 years ago
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    okay then. so the first equation can be re-written as 10^y = 7x+14

  4. anonymous
    • 5 years ago
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    then...i guess you could solve for x... and plug that into the second equation

  5. anonymous
    • 5 years ago
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    is that y? im still kinda lost lol

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spraguer (Moderator)
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