document.write( "Question 19348: a half of what John's age was 4 years ago is equal to one third of what it will be in 5 years time.How old is John \n" ); document.write( "
Algebra.Com's Answer #9362 by xcentaur(357)\"\" \"About 
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let his age be x
\n" ); document.write( "then we get,
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\n" ); document.write( "1/2(x-4)=1/3(x+5)
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\n" ); document.write( "cross multiply,
\n" ); document.write( "3(x-4)=2(x+5)
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\n" ); document.write( "3x-12=2x+10
\n" ); document.write( "3x-2x=12+10
\n" ); document.write( "x=22
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\n" ); document.write( "So his age right now is 22 years
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\n" ); document.write( "-Prabhat \n" ); document.write( "

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