document.write( "Question 654571: the number of items on two grocery lists differ by 7. the total number of items is 33. how many items are on each list? \n" ); document.write( "
Algebra.Com's Answer #408807 by checkley79(3341)\"\" \"About 
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X-Y=7
\n" ); document.write( "X+Y=33 ADD.
\n" ); document.write( "----------------
\n" ); document.write( "2X=40
\n" ); document.write( "X=40/2
\n" ); document.write( "X=20 ITEMS ON THE LARGEST LIST.
\n" ); document.write( "20+Y=33
\n" ); document.write( "Y=33-20
\n" ); document.write( "Y=13 ANS. FOR THE SHORTEST LIST.
\n" ); document.write( "PROOF:
\n" ); document.write( "20-13=7
\n" ); document.write( "7=7
\n" ); document.write( "
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