document.write( "Question 46884: Solve the equation 3log5 x - log5 4 = log5 16 \n" ); document.write( "

Algebra.Com's Answer #854287 by MathTherapy(10837) $\"\"$ $\"About$

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document.write( "Solve the equation 3log5 x - log5 4 = log5 16\r\n" );
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document.write( "Everything that the other person, consc198(59), did, was WRONG. He/she contends that:\r\n" );
document.write( "\"3log5 x - log5 x 4 = log5 x 16\r\n" );
document.write( "2.096910013 x -0.698970004 x 4 = 0.698970004 x 16\r\n" );
document.write( "2.096910013 x -2.795880016 = 11.18352006\r\n" );
document.write( "-5.862708801 = 11.18352006\r\n" );
document.write( "11.18352006 + 5.862708801\r\n" );
document.write( "Answer = 17.04622886\"\r\n" );
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document.write( "This is CERTAINLY NOT the way to solve a LOGARITHMIC equation. Furthermore, the answer is\r\n" );
document.write( "CERTAINLY NOT 17.04622886. Instead, it's done PRECISELY as follows:\r\n" );
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document.write( " ---- Applying  =  \r\n" );
document.write( "               ---- Applying \r\n" );
document.write( "                            ---- If , then c = d\r\n" );
document.write( "                            ------ Cross-multiplying\r\n" );
document.write( "                       --- Taking the CUBE ROOT of each side\r\n" );
document.write( "                             x = 4

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