document.write( "Question 1002415: Solve for X\r
\n" ); document.write( "\n" ); document.write( "log(x + 8) − log(8x + 1) = log x \n" ); document.write( "

Algebra.Com's Answer #619336 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"log%28%28x+%2B+8%29%29+-+log%28%288x+%2B+1%29%29+=+log%28%28+x%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"log%28%28x+%2B+8%29%2F%288x+%2B+1%29%29+=+log%28%28+x%29%29\"$ ....if log same, then\r
\n" ); document.write( "\n" ); document.write( " $\"%28x+%2B+8%29%2F%288x+%2B+1%29+=++x\"$ .........solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x+%2B+8%29+=++x%288x+%2B+1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+%2B+8+=+8x%5E2+%2B+x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"8=+8x%5E2+%2B+x-x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"8=+8x%5E2+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"8%2F8=x%5E2+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2=1+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=sqrt%281%29+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=1+\"$ or $\"x=-1+\"$ since we have log, disregard negative solution (log of negative number is undefined)\r
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