document.write( "Question 1071215: Solve for x 3^7x=81^x+9 \n" ); document.write( "
Algebra.Com's Answer #686150 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Written poorly, maybe: 3^7x=81^x+9
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\n" ); document.write( "\n" ); document.write( "This would be unambiguous and more easily solvable:
\n" ); document.write( "3^(7x)=81^(x+9)\r
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\n" ); document.write( "\n" ); document.write( "to appear, \"3%5E%287x%29=81%5E%28x%2B9%29\".\r
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\n" ); document.write( "\"3%5E%287x%29=%283%5E4%29%5E%28x%2B9%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"3%5E%287x%29=3%5E%284%28x%2B9%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"3%5E%287x%29=3%5E%284x%2B36%29\"\r
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\n" ); document.write( "\n" ); document.write( "The exponents would be equal.
\n" ); document.write( "\"7x=4x%2B36\"
\n" ); document.write( "\"3x=36\"
\n" ); document.write( "\"highlight_green%28x=12%29\"
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