document.write( "Question 1134753: Carlos is 3 years older than Juan. Jose is 4 years younger than Juan. The sum
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Algebra.Com's Answer #752231 by AnlytcPhil(1806)\"\" \"About 
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Carlos is 3 years older than Juan. Jose is 4 years younger than Juan. The
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document.write( "Jose is the youngest, Juan the next youngest and Carlos is the oldest.\r\n" );
document.write( "Carlos is 3 years older than Juan and Jose is 4 years younger than Juan. So\r\n" );
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document.write( "Let x = Juan's age \r\n" );
document.write( "Then Carlos's age is 3 years more than Juan's age, or x+3 \r\n" );
document.write( "and Jose's age is 4 years less than Jose's age, or x-4\r\n" );
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document.write( "Since the sum of their ages is 140,\r\n" );
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document.write( "x + x+3 + x-4 = 140\r\n" );
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document.write( "You finish.\r\n" );
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document.write( "Edwin
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