elli elli
  • 23-05-2014
  • Mathematics
contestada

log7 1/49=-x-2 hate math so bad it won't even let me sleep

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Ryan2
Ryan2 Ryan2
  • 23-05-2014
[tex]log_7(\frac{1}{49})=-x-2\\ \\ log_77^{-2}=-x-2\\ \\ 7^{-x-2}=7^{-2}\\ \\ -x-2=-2\\ \\ -x=0\\ \\ x=0[/tex]
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kate200468
kate200468 kate200468
  • 23-05-2014
[tex]log_7 \frac{1}{49} =-x-2\\\\log_77^{-2}=-x-2\\\\-2=-x-2\\\\x=-2+2\\\\x=0[/tex]
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