document.write( "Question 196782: for each pair of equations, solve one of them by taking logs of both sides. Solve the other by expressing both sides as a power of the same number.
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Algebra.Com's Answer #147518 by Edwin McCravy(20065)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"9%5Ex=4\"\r\n" );
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document.write( "Take logs of both side:\r\n" );
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document.write( "\"log%289%5Ex%29=log%284%29\"\r\n" );
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document.write( "Use a rule of logarithms on the left\r\n" );
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document.write( "\"x%2Alog%289%29=log%284%29\"\r\n" );
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document.write( "Divide both sides by \"log%289%29\"\r\n" );
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document.write( "\"%28x%2Alog%289%29%29%2F%28log%289%29%29=%28log%284%29%29%2F%28log%289%29%29\"\r\n" );
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document.write( "\"x+=+.6020599913%2F.9542425094\"\r\n" );
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document.write( "\"x+=+.6309297536\"\r\n" );
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document.write( "-------------------\r\n" );
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document.write( "\"9%5Ex+=+3%2F3%5Ex\"\r\n" );
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document.write( "Write \"9\" as \"3%5E2\"\r\n" );
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document.write( "Write \"3\" on the right as \"3%5E1\"\r\n" );
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document.write( "\"%283%5E2%29%5Ex+=+3%5E1%2F3%5Ex\"\r\n" );
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document.write( "Multiply inner exponent by outer exponent on\r\n" );
document.write( "the left side.\r\n" );
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document.write( "Subtract the exponents on the right:\r\n" );
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document.write( "\"3%5E%282x%29=3%5E%281-x%29\"\r\n" );
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document.write( "Since the bases on each side are positive and\r\n" );
document.write( "not equal to 1, we can equate the exponents:\r\n" );
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document.write( "\"2x=1-x\"\r\n" );
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document.write( "\"2x%2Bx=1\"\r\n" );
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document.write( "\"3x=1\"\r\n" );
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document.write( "\"x=1%2F3\"\r\n" );
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document.write( "Edwin
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