document.write( "Question 1042008: Four years hence a boy will be twice as old as he was 6 years ago. What is his present age? \n" ); document.write( "

Algebra.Com's Answer #656914 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = his present age
\n" ); document.write( " $\"+x+%2B+4+=+2%2A%28+x+-+6+%29+\"$
\n" ); document.write( " $\"+x+%2B+4+=+2x+-+12+\"$
\n" ); document.write( " $\"+x+=+16+\"$
\n" ); document.write( "He his presently 16
\n" ); document.write( "---------------------
\n" ); document.write( "check:
\n" ); document.write( "4 years hence: 20
\n" ); document.write( "6 yrs ago: 10
\n" ); document.write( " $\"+20+=+2%2A10+\"$
\n" ); document.write( "OK \n" ); document.write( "

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