document.write( "Question 29870: Question: Solve 1/4=8^5x-4\r
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document.write( "POssible Four Answers:
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document.write( "(1) 2/15\r
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document.write( "(2) 2/3\r
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document.write( "(3) 2/5\r
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document.write( "(4) 14/15 \n" );
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Algebra.Com's Answer #16642 by sdmmadam@yahoo.com(530)![]() ![]() ![]() You can put this solution on YOUR website! 1/4=8^5x-4 \n" ); document.write( "That ia 1/(2^2) = (2^3)^(5x-4) \n" ); document.write( "2^(-2) = 2^[3(5x-4)] (using 1/(a^m)=(a)^(-m) and (a^m)^n = (a)^(mn) ) \n" ); document.write( "(-2) = 3(5x-4) (when bases are the same the powers are equal) \n" ); document.write( "-2 = 15x-12 \n" ); document.write( "-2+12 = 15x \n" ); document.write( "10 =15x \n" ); document.write( "That is 15x = 10 \n" ); document.write( "Dividing by 15 \n" ); document.write( "x = 10/15 = 2X5/3X5 = 2/3 (canceling 5) \n" ); document.write( "Answer: 2/3 \n" ); document.write( "Which is your choice 2) \n" ); document.write( " \n" ); document.write( " |