SOLUTION: solve for x
Log3x+log3(x-4)=1
hint: all 3 are subscripts
(I don't know how to put subscript here please tell me all i know is writing superscript like this symbol(^).what
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Question 684805: solve for x
Log3x+log3(x-4)=1
hint: all 3 are subscripts
(I don't know how to put subscript here please tell me all i know is writing superscript like this symbol(^).whats for subscript?
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
solve for x
Log3x+log3(x-4)=1
----------------
3(x-4) = 3
x = 5
----------
Click the Show source to see how it's entered.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The format for subscript looks like
log( 3,x ), and when you put it in the
"" symbols you get
------------
The trick here is to say
use the quadratic formula
check answer:
close enough
You can also go back and use the negative
square root of 28 and get another answer
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