document.write( "Question 1079748: I am having trouble with this problem:\r
\n" ); document.write( "\n" ); document.write( "2log3(x+4)-log3(9)=2\r
\n" ); document.write( "\n" ); document.write( "Thank you. \n" ); document.write( "

Algebra.Com's Answer #694019 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+2%2Alog%28+3%2C+x%2B4+%29+-+log%28+3%2C9+%29+=+2+\"$
\n" ); document.write( "I can make the substitution:
\n" ); document.write( " $\"+2+=+log%28+3%2C9+%29+\"$
\n" ); document.write( " $\"+2%2Alog%28+3%2C+x%2B4+%29+-+log%28+3%2C9+%29+=+log%28+3%2C9+%29+\"$
\n" ); document.write( " $\"+2%2Alog%28+3%2C+x%2B4+%29+=+2%2Alog%28+3%2C9+%29+\"$
\n" ); document.write( " $\"+log%28+3%2C+x%2B4+%29+=+log%28+3%2C9+%29+\"$
\n" ); document.write( " $\"+x%2B4+=+9+\"$
\n" ); document.write( " $\"+x+=+5+\"$
\n" ); document.write( "------------------
\n" ); document.write( "check answer:
\n" ); document.write( " $\"+2%2Alog%28+3%2C+x%2B4+%29+-+log%28+3%2C9+%29+=+2+\"$
\n" ); document.write( " $\"+2%2Alog%28+3%2C+5%2B4+%29+-+log%28+3%2C9+%29+=+2+\"$
\n" ); document.write( " $\"+2%2Alog%28+3%2C+9+%29+-+log%28+3%2C9+%29+=+2+\"$
\n" ); document.write( " $\"+log%28+3%2C9+%29+=+2+\"$
\n" ); document.write( "Writing this in inverse form:
\n" ); document.write( " $\"+3%5E2+=+9+\"$
\n" ); document.write( "OK \n" ); document.write( "

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