document.write( "Question 1065382: John and Sam are brothers Sam is 3 year old John is j years old if u multiply john age by 3 and subtract 12 you get sam age how old is john \n" ); document.write( "

Algebra.Com's Answer #680539 by josmiceli(19441) $\"\"$ $\"About$

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$\"+3j+-+12+=+3+\"$
\n" ); document.write( "Add $\"+12+\"$ to both sides
\n" ); document.write( " $\"+3j+=+15+\"$
\n" ); document.write( "Divide both sides by $\"+3+\"$
\n" ); document.write( " $\"+j+=+5+\"$
\n" ); document.write( "John is 5
\n" ); document.write( " \n" ); document.write( "

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