anonymous
  • anonymous
how do i solve log(3x+5)=2?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
do you know how to get rid of a log?
anonymous
  • anonymous
like make it ln?
anonymous
  • anonymous
if you raise 10 to the log of some number, it just equals that number

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anonymous
  • anonymous
ohhhh well i dont have a calculator with me...
anonymous
  • anonymous
you don't need one
anonymous
  • anonymous
okay well i have no idea how to solve it..
anonymous
  • anonymous
10^(logx) = x
anonymous
  • anonymous
10^(log(x+2)) = x+2
anonymous
  • anonymous
10^2 = 100
anonymous
  • anonymous
so how would i do log(3x+5)=2?
anonymous
  • anonymous
10^(log(3x+5)) = 10^2
anonymous
  • anonymous
what does ^ mean? lol
anonymous
  • anonymous
raise to a power
anonymous
  • anonymous
so 10^2 means 10 squared
anonymous
  • anonymous
ohhhh!
anonymous
  • anonymous
okay so then what would the answer be? cause idk how to evaluate it without a calc.
anonymous
  • anonymous
3x+5 = 100
anonymous
  • anonymous
ohhh okay thank you!
anonymous
  • anonymous
yw
anonymous
  • anonymous
so would it be the same thing for log160-log5?
anonymous
  • anonymous
it wouldn't be, but look wher you posted the question for the answer

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