document.write( "Question 1118518: Julio is older then Gabe. The difference between their ages is 12. The sum of their ages is 84. How old is Gabe?
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Algebra.Com's Answer #733851 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "Julio is older $\"highlight%28cross%28then%29%29\"$ than Gabe. The difference between their ages is 12. The sum of their ages is 84. How old is Gabe?
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document.write( "J - G = 12     (1)    (the difference of their ages)\r\n" );
document.write( "J + G = 84     (2)    (the sum of their ages)\r\n" );
document.write( "------------------------------------------------------Add the two equations\r\n" );
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document.write( "2J = 12 + 84 = 96  ====>  J = 96/2 = 48.\r\n" );
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document.write( "Then from eq(2) G = 84 - 48 = 36.\r\n" );
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document.write( "Answer.  48 and 36 years.\r\n" );
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