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Asked by:
53zach53
53zach53
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$1.00 how do i go about solving this problem?

Q:
how do i go about solving this problem using only algebra and basic log:

81^(2x-7)=9^(3x-1)
 


   
   
   
   
 
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Posted by:
bibhupada
bibhupada
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$0.50 step by step solution ,answer is x =13

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  • Posted on Mar 06, 2009 at 8:09:09PM
A:
Preview: ... )<br><br> so 9^(4x-14) =9^(3x-1)<br><br> so 4x-14 ...

The full tutorial is about 54 words long .
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Krishna
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$0.75 Explanation

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  • Posted on Mar 06, 2009 at 8:09:09PM
A:
Preview: ... -1)<br><br>9^(2*(2x-7)) ...

The full tutorial is about 15 words long .
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alephzero314
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$1.00 Full Solution

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  • Posted on Mar 06, 2009 at 8:21:07PM
A:
Preview: ... t laws:<br>9^(4x - 14) = 9^(3x-1)<br>Take log_ ...

The full tutorial is about 32 words long .
Posted by:
geniusy_2006
geniusy_2006
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$0.25 Here is explanation with steps shown

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  • Posted on Mar 06, 2009 at 8:38:35PM
A:
Preview: ... 1^(2x-7)=9^(3x-1)<br><br>we make the ...

The full tutorial is about 21 words long .
Posted by:
minaras
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$0.50 solving this problem

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  • Posted on Mar 07, 2009 at 04:05:21PM
A:
Preview: ... out solving this problem using only algebra and ...

The full tutorial is about 27 words long .
   
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