alphalexx alphalexx
  • 15-04-2015
  • Mathematics
contestada

9^4x=81? I need to solve this math problem nd idk how to

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konrad509
konrad509 konrad509
  • 15-04-2015
[tex]9^{4x}=81\\ 9^{4x}=9^2\\ 4x=2\\ x=\dfrac{2}{4}=\dfrac{1}{2}[/tex]
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eu99li
eu99li eu99li
  • 15-04-2015
[tex]9^{4x}=81\\ 9^{4x}=9^2\\ =\ \textgreater \ 4x=2\\ x=\dfrac{2}{4}^{/2}=\dfrac{1}{2}[/tex]
Answer Link

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