document.write( "Question 884736: a father is three times the age of his son.after 12 years his age will be two times the age of his son. solve this in 2 variable \n" ); document.write( "
Algebra.Com's Answer #534620 by lwsshak3(11628)\"\" \"About 
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a father is three times the age of his son.after 12 years his age will be two times the age of his son. solve this in 2 variable
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\n" ); document.write( "let x=age of son
\n" ); document.write( "let y=age of father
\n" ); document.write( "y=3x
\n" ); document.write( "..
\n" ); document.write( "After 12 yrs:
\n" ); document.write( "y+12=age of father
\n" ); document.write( "x+12=age of son
\n" ); document.write( "..
\n" ); document.write( "y+12=2(x+12)
\n" ); document.write( "y+12=2x+24
\n" ); document.write( "sub 3x for y
\n" ); document.write( "3x+12=2x+24
\n" ); document.write( "x=12
\n" ); document.write( "y=3x=36
\n" ); document.write( "..
\n" ); document.write( "age of son=12
\n" ); document.write( "age of father36
\n" ); document.write( "
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