Leahk11 Leahk11
  • 01-05-2017
  • Mathematics
contestada

How do you solve this logarithmic equation? 3x-5=log(down arrow)2 1024

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mel164 mel164
  • 01-05-2017
What does down arrow mean
Answer Link
bcalle
bcalle bcalle
  • 01-05-2017
3x -5 = log base2 1024
Log base 2 1024 can be rewritten log (base 2) 2^10
log (base 2) 2^10 =
10 * log (base 2) 2
log (base 2) 2 = 1
So 10 * log (base 2) 2 = 10
3x -5 = 10
Add 5 to both sides
3x = 15
Divide both sides by 3
x = 5
Answer Link

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