document.write( "Question 819269: [ 13 years back my father was thrice my age, and two years back he was twice my age. what is the present age of my father? ] \n" ); document.write( "
Algebra.Com's Answer #492990 by TimothyLamb(4379)\"\" \"About 
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f - 13 = 3(m - 13)
\n" ); document.write( "f - 2 = 2(m - 2)
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\n" ); document.write( "f - 13 = 3m - 39
\n" ); document.write( "f - 2 = 2m - 4
\n" ); document.write( "f = 2m - 2
\n" ); document.write( "---
\n" ); document.write( "f - 13 = 3m - 39
\n" ); document.write( "2m - 2 - 13 = 3m - 39
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\n" ); document.write( "m = 24
\n" ); document.write( "f = 46
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