document.write( "Question 1198530: Solve 124 = 3(4)^2x-1 for x using logarithms. \n" ); document.write( "

Algebra.Com's Answer #832146 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
assuming you have\r
\n" ); document.write( "\n" ); document.write( " $\"+124+=+3%284%29%5E%282x-1%29\"$ for $\"x\"$ using logarithms\r
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\n" ); document.write( "\n" ); document.write( " $\"+log%28124+%29=+log%283%284%29%5E%282x-1%29+%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+log%28124+%29=+log%283%29%2Blog%28%284%29%5E%282x-1%29+%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+log%28124+%29-log%283%29=log%28%284%29%5E%282x-1%29+%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+log%28124+%29-log%283%29=%282x-1%29log%284%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+2x-1=%28log%28124+%29-log%283%29%29%2Flog%284%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+2x=%28log%28124%29+-+log%283%29%29%2Flog%284%29%2B1\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+x=1%2F2-%28log%28124%29+-+log%283%29%29%2F%282log%284%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+x=log%28496%2F3%29%2Flog%2816%29\"$ -----------exactly\r
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\n" ); document.write( "\n" ); document.write( " $\"+x=1.84231\"$ -------------approximately \r
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