document.write( "Question 242325: Had trouble with a few problems similar to this one..\r
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document.write( "Solve: 5^(x+2)= 4^(l-x) \n" );
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Algebra.Com's Answer #178027 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Solve \n" ); document.write( " \n" ); document.write( "Use logs \n" ); document.write( " \n" ); document.write( "log equiv of exponents \n" ); document.write( " \n" ); document.write( "Find the logs \n" ); document.write( ".69897(x+2) = .60206(1-x) \n" ); document.write( ": \n" ); document.write( ".69897x + 1.39794 = .602061 - .60206x \n" ); document.write( ": \n" ); document.write( ".69897x + .60206x = .602061 - 1.39794 \n" ); document.write( ": \n" ); document.write( "1.30103x = -.79588 \n" ); document.write( ": \n" ); document.write( "x = \n" ); document.write( "x = -.61173 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution on calc: \n" ); document.write( "enter 5^(-.61173+2) = 9.34 \n" ); document.write( "enter 4^(1-(-.61173)) = 9.34; confirms our solution \n" ); document.write( " |