document.write( "Question 935201: if x and y are positive with x minus y = 2 and xy = 24, then 1/x plus 1/y is equal to -----------? \n" ); document.write( "
Algebra.Com's Answer #568352 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"system%28x-y=2%2Cxy=24%29\".
\n" ); document.write( "Find \"1%2Fx%2B1%2Fy\"?\r
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\n" ); document.write( "\n" ); document.write( "\"1%2Fx%2B1%2Fy\"
\n" ); document.write( "\"y%2Fxy%2Bx%2Fxy\"
\n" ); document.write( "\"%28y%2Bx%29%2F%28xy%29\"
\n" ); document.write( "OR
\n" ); document.write( "\"%28x%2By%29%2F%28xy%29\"
\n" ); document.write( "\"%28x%2By%29%2F24\" using one of your given equations.\r
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\n" ); document.write( "\n" ); document.write( "First equation of the system gives x=y+2.
\n" ); document.write( "Substitution gives \"%28y%2B2%29y=24\"
\n" ); document.write( "\"y%5E2%2B2y=24\"
\n" ); document.write( "\"y%5E2%2B2y-24=0\"
\n" ); document.write( "\"%28y-4%29%28y%2B6%29=0\", and according to the restriction given for x and y, must choose \"highlight_green%28y=-6%29\". This makes \"highlight_green%28x=-4%29\".\r
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\n" ); document.write( "\n" ); document.write( "FINISH THE ANSWER:
\n" ); document.write( "\"%28-4-6%29%2F24\"
\n" ); document.write( "\"-10%2F24\"
\n" ); document.write( "\"highlight%28-5%2F12%29\"
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