document.write( "Question 598924: A man is 42 and his daughter is 8. in how many years will the father be twice as old? \n" ); document.write( "
Algebra.Com's Answer #378733 by josmiceli(19441)\"\" \"About 
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Let \"+n+\" = number of years when Father is
\n" ); document.write( "twice as old as Daughter
\n" ); document.write( "\"+42+%2B+x+=+2%2A%28+8+%2B+x+%29+\"
\n" ); document.write( "\"+42+%2B+x+=+16+%2B+2x+\"
\n" ); document.write( "\"+x+=+42+-+16+\"
\n" ); document.write( "\"+x+=+26+\"
\n" ); document.write( "In 26 years the Father will be twice as old
\n" ); document.write( "check:
\n" ); document.write( "Father will be \"+42+%2B+26+=+68+\"
\n" ); document.write( "Daughter will be \"+8+%2B+26+=+34+\"
\n" ); document.write( "\"+68+=+2%2A34+\"
\n" ); document.write( "OK
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