document.write( "Question 1041750: Bobby is three years older than twice Arianna's age. If the total of their ages is 9, how old is Bobby, and how old is Arianna? \n" ); document.write( "
Algebra.Com's Answer #656808 by ankor@dixie-net.com(22740)\"\" \"About 
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Bobby is three years older than twice Arianna's age.
\n" ); document.write( "b = 2a+3
\n" ); document.write( " If the total of their ages is 9,
\n" ); document.write( "a + b = 9
\n" ); document.write( "replace b with (2a+3)
\n" ); document.write( "a + 2a + 3 = 9
\n" ); document.write( "3a = 9 - 3
\n" ); document.write( " 3a = 6
\n" ); document.write( " a = 6/3
\n" ); document.write( " a = 2 yrs is A's age
\n" ); document.write( "then
\n" ); document.write( "b = 2(2) + 3
\n" ); document.write( "b = 7 yrs is B's age
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