document.write( "Question 488223: two years ago, homer was 23 years older than his son andrew. twelve years from now his age will be 6 more than twice his son's age, then what are the ages of homer and andrew at the present? \n" ); document.write( "
Algebra.Com's Answer #333313 by josmiceli(19441)\"\" \"About 
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Let \"h\" = Homer's age now
\n" ); document.write( "Let \"a\" = Andrew's age now
\n" ); document.write( "given:
\n" ); document.write( "(1) \"+h-2+=+a+-+2+%2B+23+\"
\n" ); document.write( "(2) \"+h+%2B+12+=+2%2A%28a+%2B+12%29+%2B+6+\"
\n" ); document.write( "---------------
\n" ); document.write( "(1) \"+h+-+a+=+23+\"
\n" ); document.write( "(2) \"+h+%2B+12+=+2a+%2B+24++%2B+6+\"
\n" ); document.write( "(2) \"+h+-+2a+=+30+-+12+\"
\n" ); document.write( "(2) \"+h+-+2a+=+18+\"
\n" ); document.write( "---------------
\n" ); document.write( "Subtract (2) from (1)
\n" ); document.write( "(1) \"+h+-+a+=+23+\"
\n" ); document.write( "(2) \"+-h+%2B+2a+=+-18+\"
\n" ); document.write( "\"+a+=+5+\"
\n" ); document.write( "and, since
\n" ); document.write( "(2) \"+h+-+2a+=+18+\"
\n" ); document.write( "(2) \"+h+-+10+=+18+\"
\n" ); document.write( "(2) \"+h+=+28+\"
\n" ); document.write( "Homer is 28 and his son is 5
\n" ); document.write( "check:
\n" ); document.write( "(2) \"+h+%2B+12+=+2%2A%28a+%2B+12%29+%2B+6+\"
\n" ); document.write( "(2) \"+28+%2B+12+=+2%2A%285+%2B+12%29+%2B+6+\"
\n" ); document.write( "(2) \"+40+=+2%2A17+%2B+6+\"
\n" ); document.write( "(2) \"+40+=+34+%2B+6+\"
\n" ); document.write( "(2) \"+40+=+40+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );