anonymous
  • anonymous
log(subscript4)2x=5 solve for x! help!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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amistre64
  • amistre64
log4(2x) = 5 right?
anonymous
  • anonymous
mhm but the 4 is a subscrpt
amistre64
  • amistre64
the 4 is the base... i know :)

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anonymous
  • anonymous
\[\log_ab = c \iff a^c = b \]
anonymous
  • anonymous
yes ha how i sovle is
amistre64
  • amistre64
log base"4" is can be written in shorthand log4
anonymous
  • anonymous
k so 2x=4^5
amistre64
  • amistre64
you can put a base 4 under each side right?
amistre64
  • amistre64
good, just like that lol
anonymous
  • anonymous
then divided by 2?
amistre64
  • amistre64
now what is 4*4*4*4*4?
anonymous
  • anonymous
ohhh uhh 1024
amistre64
  • amistre64
is it? lol
anonymous
  • anonymous
then dived 1024 by 2 = 512 so x is 512 ?
amistre64
  • amistre64
16(16) = 256+4 = 1024...thats right 1024/2 = 512... x = 512. good job ;)
amistre64
  • amistre64
256*4 ....my keyboard hates me
anonymous
  • anonymous
THANKS YOu
amistre64
  • amistre64
youre welcome, but you already had it figured out :)
anonymous
  • anonymous
ha trust me if i did, i wouldnt be on here
amistre64
  • amistre64
:) you did great ;)

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