document.write( "Question 499267: 9^(7-2)=1/243
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document.write( "please help,
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document.write( "at first i changed the left and right numbers into values that were similar
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document.write( "(3^2)^(7-2x) = 1/3^5
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document.write( "were would i go from here and explain the laws of indices needed to solve this problem \n" );
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Algebra.Com's Answer #337580 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 9^(7-2)=1/243 \n" ); document.write( "please help, \n" ); document.write( "at first i changed the left and right numbers into values that were similar \n" ); document.write( "(3^2)^(7-2x) = 1/3^5 \n" ); document.write( "----------- \n" ); document.write( "The 1st \"equation\" has no x, then it appears. \n" ); document.write( "(3^2)^(7-2x) = 1/3^5 \n" ); document.write( "(3^2)^(7-2x) = 3^(-5) \n" ); document.write( "3^(14-4x) = 3^(-5) \n" ); document.write( "14-4x = -5 \n" ); document.write( "x = 19/4 \n" ); document.write( " \n" ); document.write( " |