document.write( "Question 1154724: Alex is 3 years older than Sophia. In 9 years the sum of their ages will be 55. How old is Alex now?
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Algebra.Com's Answer #777207 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "Alex is 3 years older than Sophia. In 9 years the sum of their ages will be 55. How old is Alex now?
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Let Alex' be A
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document.write( "Then Sophia's is: A - 3
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document.write( "We then get: A + A - 3 + 2(9) = 55
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document.write( "2A - 3 + 18 = 55
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document.write( "2A = 40
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document.write( "A, or Alex is:  \n" );
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