document.write( "Question 1153383: Melissa is 5 years younger than Ann. In 6 years, the sum of their ages will be 35. How old is each now? \n" ); document.write( "
Algebra.Com's Answer #775600 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let Melissa's age be \"x\" and Ann's age \"y\"\r
\n" ); document.write( "\n" ); document.write( "if Melissa is \"5\" years younger than Ann, we have\r
\n" ); document.write( "\n" ); document.write( " \"x=y-5\" ......eq.1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "if in \"6\" years, the sum of their ages will be \"35\",\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B6%29%2B%28y%2B6%29=35\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2B6%2By%2B6=35\"
\n" ); document.write( "\"x%2By%2B12=35\"
\n" ); document.write( "\"x%2By=35-12\"
\n" ); document.write( "\"x%2By=23\"
\n" ); document.write( "\"x=23-y\".......eq.2\r
\n" ); document.write( "\n" ); document.write( "from eq.1 and eq.2 we have,\r
\n" ); document.write( "\n" ); document.write( "\"23-y=y-5\"
\n" ); document.write( "\"23%2B5=y%2By\"
\n" ); document.write( "\"28=2y\"
\n" ); document.write( "\"y=14\"\r
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( " \"x=y-5\" ......eq.1, substitute \"y\"\r
\n" ); document.write( "\n" ); document.write( " \"x=14-5\" \r
\n" ); document.write( "\n" ); document.write( "\"x=9\" \r
\n" ); document.write( "\n" ); document.write( "Melissa \"9\" years old now and Ann is \"14\" years old now\r
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