document.write( "Question 35645: please help me solve this using logarithms\r
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document.write( "8^(3x+4) = 3^x\r
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document.write( "stuff to the right of the ^'s are exponents....thanks! \n" );
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Algebra.Com's Answer #21782 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "First, take the ln of each side of the equation: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "By the third law of exponents, \"bring the exponents down\" to become coefficients:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Distributive property:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Get all the x terms on one side and the non-x terms on the other side. You might want to subtract \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Factor out the x on the left side in order to get the x in one place, so you can solve for x. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide both sides by \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Calculate with a calculator: x = -1.618 approximately. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thank you so much for this problem!! I could put it on my final exam for College Algebra next week!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "R^2 at SCC \n" ); document.write( " |