document.write( "Question 703406: Can you please help me solve the following?:\r
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document.write( "3^y-5=4^y+1 \n" );
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Algebra.Com's Answer #433525 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! assume the problem is: \n" ); document.write( " \n" ); document.write( "use natural logs and the log equiv of exponents \n" ); document.write( "(y-5)ln(3) = (y+1)ln(4) \n" ); document.write( "divide both sides by ln(3) \n" ); document.write( " \n" ); document.write( "y - 5 = 1.26186(y + 1) \n" ); document.write( "y - 5 = 1.26186y + 1.26186 \n" ); document.write( "-5 - 1.26186 = 1.26186y - y \n" ); document.write( " -6.26186 = .26186y \n" ); document.write( "y = \n" ); document.write( "y = -23.913 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "You can check this out on a calc using the original equation \n" ); document.write( " \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |