document.write( "Question 536792: in 10 years, juan carlos will be three times as old as he was 6 years ago. How old is he now? \n" ); document.write( "
Algebra.Com's Answer #352572 by Maths68(1474)\"\" \"About 
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let
\n" ); document.write( "present age of juan carlos = j\r
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\n" ); document.write( "\n" ); document.write( "six years ago carlos was = j-6
\n" ); document.write( "in 10 years carlos age will be = j+10
\n" ); document.write( "then
\n" ); document.write( "j+10=3(j-6)
\n" ); document.write( "j+10=3j-18
\n" ); document.write( "j-3j=-18-10
\n" ); document.write( "-2j=-28
\n" ); document.write( "-2j/-2=-28/-2
\n" ); document.write( "j=14\r
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\n" ); document.write( "\n" ); document.write( "present age of juan carlos = j = 14 years old
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