document.write( "Question 488611: Suzie is 4 years older than Sally. In 7 years, the sum of their ages will be 44. How old is each girl now? \n" ); document.write( "
Algebra.Com's Answer #333414 by josmiceli(19441)\"\" \"About 
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Let \"a\" = Suzie's age now
\n" ); document.write( "Let \"b\" = Sally's age now
\n" ); document.write( "given:
\n" ); document.write( "(1) \"+a+=+b+%2B+4+\"
\n" ); document.write( "(2) \"+a+%2B+7+%2B+b+%2B+7+=+44+\"
\n" ); document.write( "-------------------
\n" ); document.write( "(2) \"+a+%2B+b+=+44+-+14+\"
\n" ); document.write( "(2) \"+a+%2B+b+=+30+\"
\n" ); document.write( "and
\n" ); document.write( "(1) \"+a+-+b+=+4+\"
\n" ); document.write( "Add (1) and (2)
\n" ); document.write( "(2) \"+a+%2B+b+=+30+\"
\n" ); document.write( "(1) \"+a+-+b+=+4+\"
\n" ); document.write( "\"+2a+=+34+\"
\n" ); document.write( "\"+a+=+17+\"
\n" ); document.write( "and, since
\n" ); document.write( "(2) \"+a+%2B+b+=+30+\"
\n" ); document.write( "(2) \"+b+=+30+-+17+\"
\n" ); document.write( "(2) \"+b+=+13+\"
\n" ); document.write( "Suzie is 17 now and
\n" ); document.write( "Sally is 13 now
\n" ); document.write( "
\n" );