document.write( "Question 10815: Roz is twice as old as Grace. In 5 years the sum of their ages will be 28. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #5674 by maribeth_abella(11)\"\" \"About 
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x = Grace age
\n" ); document.write( "2x = Roz age\r
\n" ); document.write( "\n" ); document.write( "x+5+2x+5 = 28
\n" ); document.write( "3x + 10 = 28
\n" ); document.write( " 3x = 28 - 10
\n" ); document.write( " x = 28/3
\n" ); document.write( " x = 6
\n" ); document.write( "
\n" ); document.write( " x = 6
\n" ); document.write( " 2(6) = 12
\n" ); document.write( "
\n" ); document.write( " Roz is 12 years old
\n" ); document.write( " Grace is 6 years old
\n" ); document.write( "
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