document.write( "Question 64548: Solve. Approximate to four decimal places.\r
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document.write( "4^(3x+2)=9 \n" );
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Algebra.Com's Answer #45158 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 4^(3x+2)=9 \n" ); document.write( ": \n" ); document.write( "Use the log equiv of exponents: \n" ); document.write( "(3x+2)*log(4) = log(9) \n" ); document.write( ": \n" ); document.write( ".60206(3x+2) = .95424 \n" ); document.write( "3x + 2 = .95424/.60206 \n" ); document.write( "3x + 2 = 1.58496 \n" ); document.write( "3x = 1.58496 - 2 \n" ); document.write( "3x = -.41504 \n" ); document.write( "x = -.41504/3 \n" ); document.write( "x = -.1383 \n" ); document.write( ": \n" ); document.write( "Check on calc (3x+2) = 3(-.1383) + 2 = +1.585; 4^1.585 = 9.000 \n" ); document.write( ": \n" ); document.write( "make sense to you? any questions? \n" ); document.write( " \n" ); document.write( " |