document.write( "Question 794842: paul is seven years younger than his brother. in four years, his brother will be twice as old as paul. how old is his brother now? \n" ); document.write( "

Algebra.Com's Answer #480748 by majo89(3) $\"\"$ $\"About$

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paul's age,p=brother's age(b)-7
\n" ); document.write( "in 4 years
\n" ); document.write( "b+4=2(p+4)
\n" ); document.write( "b-2p=4;
\n" ); document.write( "b-2(b-7)=4
\n" ); document.write( "b-2b=4-14
\n" ); document.write( "b=10 years
\n" ); document.write( " \n" ); document.write( "

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