document.write( "Question 1153388: The difference in Ron's age and Joan's age is 9 years. In 3 years, Ron will be twice as old as Joan. How old is each now? \n" ); document.write( "
Algebra.Com's Answer #775605 by Edwin McCravy(20060)\"\" \"About 
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The difference in Ron's age and Joan's age is 9 years.
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document.write( "R - J = 9

\n" ); document.write( "In 3 years, Ron will be twice as old as Joan.
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document.write( "R + 3 = 2(J + 3)\r\n" );
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document.write( "\"system%28R-J=9%2C+R%2B3=2%28J%2B3%29%29\"\r\n" );
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document.write( "Simplify and solve the system of equations by substitution.

\n" ); document.write( "How old is each now?
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document.write( "You find out by solving the above.\r\n" );
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document.write( "Edwin
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