document.write( "Question 389782: how do you solve this problem? :
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document.write( "solve for x: 6^3x = 30 \n" );
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Algebra.Com's Answer #276317 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! generally, when the variable is in the exponent, logarithms are used to solve.\r \n" ); document.write( "\n" ); document.write( " 6^3x = 30 \n" ); document.write( "3xlog 6 =log 30 \n" ); document.write( "3x =(log 30)/(log 6) \n" ); document.write( "x =(log 30)/(3*log 6) \n" ); document.write( "x = .63275\r \n" ); document.write( "\n" ); document.write( "check:6^3*.63275=30\r \n" ); document.write( "\n" ); document.write( "ans: x = .63275 \n" ); document.write( " |