document.write( "Question 129561: I have a multiple choice question\r
\n" ); document.write( "\n" ); document.write( "solve for x:\r
\n" ); document.write( "\n" ); document.write( "log34-log3x=2\r
\n" ); document.write( "\n" ); document.write( "A. x=9/4
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\n" ); document.write( "D. none of the above\r
\n" ); document.write( "\n" ); document.write( "I have no clue what to do and have never seen this type of problem before.
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Algebra.Com's Answer #94600 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"log%283%2C%284%29%29-log%283%2C%28x%29%29=2\"\r
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\n" ); document.write( "\n" ); document.write( "\"log%283%2C%284%2Fx%29%29=2\" Combine the logs using the identity \"log%28b%2C%28A%29%29-log%28b%2C%28B%29%29=log%28b%2C%28A%2FB%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"3%5E%282%29=4%2Fx\" Rewrite the equation using the property: \"log%28b%2C%28x%29%29=y\" ====> \"b%5Ey=x\"\r
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\n" ); document.write( "\n" ); document.write( "\"9=4%2Fx\" Evaluate \"3%5E%282%29\" to get \"9\"\r
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\n" ); document.write( "\n" ); document.write( "\"9x=4\" Multiply both sides by x\r
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\n" ); document.write( "\n" ); document.write( "\"x=4%2F9\" Divide both sides by 9 to isolate x\r
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\n" ); document.write( "\n" ); document.write( "So the answer is \"x=4%2F9\" which means that the answer is C)
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