kalalalalallala
kalalalalallala kalalalalallala
  • 08-06-2017
  • Mathematics
contestada

Log(12) = log(3x+81)

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apologiabiology
apologiabiology apologiabiology
  • 08-06-2017
base 10
wait,

since same base

12=3x+81
minus 81 both sides
-69=3x
divide both sides by 3
-23=x
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