document.write( "Question 139370: the sum of two whole numbers is 72 the diffenence between them is 48 what is the number?
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Algebra.Com's Answer #101643 by checkley77(12844)\"\" \"About 
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x+y=72
\n" ); document.write( "x=72-y
\n" ); document.write( "x-y=48
\n" ); document.write( "(72-y)-y=48
\n" ); document.write( "72-2y=48
\n" ); document.write( "-2y=48-72
\n" ); document.write( "-2y=-24
\n" ); document.write( "y=-24/-2
\n" ); document.write( "y=12 answer for one of the numbers.
\n" ); document.write( "x=72-12
\n" ); document.write( "x=60 answwr for the other number.
\n" ); document.write( "proof
\n" ); document.write( "12+60=72
\n" ); document.write( "72=72
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