document.write( "Question 271876: Beth's age is 3 years older than twice her brother age.If beth is 21 years, how old is beth's brother?
\n" ); document.write( "could you please answer my question...thank you>..
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Algebra.Com's Answer #198963 by dabanfield(803)\"\" \"About 
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Beth's age is 3 years older than twice her brother age.If beth is 21 years, how old is beth's brother?
\n" ); document.write( "could you please answer my question...thank you>..\r
\n" ); document.write( "\n" ); document.write( "Let x be Beth's brother's age. Then we have:\r
\n" ); document.write( "\n" ); document.write( "21 = 2*x + 3
\n" ); document.write( "2x = 18
\n" ); document.write( "x = 9
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