document.write( "Question 743558: find the two values of x that satisfy the equation:\r
\n" ); document.write( "\n" ); document.write( "2log(base4)X-log(base4)(3X-4))=1/2
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Algebra.Com's Answer #452966 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+2%2Alog%284%2Cx%29+-+log%284%2C+3x+-+4%29+=+1%2F2+\"
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\n" ); document.write( "The key is to make the substitution
\n" ); document.write( "\"+1%2F2+=+log%28+4%2C2+%29+\"
\n" ); document.write( "\"+log%284%2Cx%5E2%29+-+log%284%2C+3x+-+4%29+=+log%28+4%2C2+%29+\"
\n" ); document.write( "\"+log%28+4%2C+%28x%5E2+%2F+%28+3x+-+4%29%29+%29+=+log%28+4%2C2+%29+\"
\n" ); document.write( "\"+x%5E2+%2F+%28+3x-4+%29++=+2+\"
\n" ); document.write( "\"+x%5E2+=+2%2A%28+3x-4+%29+\"
\n" ); document.write( "\"+x%5E2+=+6x+-+8+\"
\n" ); document.write( "\"+x%5E2+-+6x+%2B+8+=+0+\"
\n" ); document.write( "\"+%28+x+-+4+%29%2A%28+x+-+2+%29+=+0+\" ( by inspection )
\n" ); document.write( "\"+x+=+4+\"
\n" ); document.write( "\"+x+=+2+\"
\n" ); document.write( "----------
\n" ); document.write( "Check the answers:
\n" ); document.write( "\"+2%2Alog%284%2Cx%29+-+log%284%2C+3x+-+4%29+=+1%2F2+\"
\n" ); document.write( "\"+2%2Alog%284%2C4%29+-+log%284%2C+3%2A4+-+4%29+=+1%2F2+\"
\n" ); document.write( "\"+2%2A1+-+log%28+4%2C+8+%29+=+1%2F2+\"
\n" ); document.write( "\"+log%28+4%2C8+%29+=+2+-+1%2F2+\"
\n" ); document.write( "\"+log%28+4%2C8+%29+=+3%2F2+\"
\n" ); document.write( "------------------
\n" ); document.write( "This is true since
\n" ); document.write( "\"+4%5E%283%2F2%29+=+8+\"
\n" ); document.write( "Square both sides
\n" ); document.write( "\"+4%5E3+=+64+\"
\n" ); document.write( "\"+64+=+64+\"
\n" ); document.write( "OK
\n" ); document.write( "You can check other solution\r
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