document.write( "Question 40861: The reciprocal of 5 less than a # is 4 times the reciprocal of twice the #. find the #.
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Algebra.Com's Answer #26352 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Converting to algebra and calling the number x, we have \n" ); document.write( "1 / (x - 5) = 4 / 2x \n" ); document.write( "now cross-multiply and get \n" ); document.write( "2x = 4(x - 5) \n" ); document.write( "2x = 4x - 20 \n" ); document.write( "-2x = -20 \n" ); document.write( "x = 10 \n" ); document.write( " |