document.write( "Question 681961: How do I solve the equation? It says to state my exact answer. If the exact answer is irrational, also give an approximate answer to three decimal places. \r
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document.write( "7e^(3x-2)+2=15 \n" );
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Algebra.Com's Answer #422896 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! How do I solve the equation? It says to state my exact answer. If the exact answer is irrational, also give an approximate answer to three decimal places. \n" ); document.write( "7e^(3x-2)+2=15 \n" ); document.write( "** \n" ); document.write( "7e^(3x-2)+2=15 \n" ); document.write( "7e^(3x-2)=13 \n" ); document.write( "e^(3x-2)=13/7 \n" ); document.write( "take log of both sides \n" ); document.write( "(3x-2) lne=(ln13-ln7) \n" ); document.write( "3x=[(ln13-ln7)+2] \n" ); document.write( "x=[(ln13-ln7)+2]/3 \n" ); document.write( "x≈0.873 \n" ); document.write( " \n" ); document.write( " |