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ovoxoclovd
ovoxoclovd ovoxoclovd
  • 31-07-2016
  • Mathematics
Answered

what is the value of k?

what is the value of k? class=

Verified Answer :

dalendrk
dalendrk dalendrk
  • 31-07-2016

\(6^9\cdot6^x=6^2\ \ \ |use\ a^m\cdot a^n=a^{m+n}\\\\6^{9+x}=6^2\iff9+x=2\ \ \ |subtract\ 9\ from\ both\ sides\\\\\boxed{x=-7}\)

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princegn
princegn princegn
  • 31-07-2016

6^9 . 6^x = 6^2
6^(9+x) = 6^2
9+x = 2
x = 2 - 9
x = -7

Answer Link

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