document.write( "Question 384212: in 10 years, william will be twice as old as he was 7 years ago. what is williams age now? \n" ); document.write( "
Algebra.Com's Answer #272045 by ankor@dixie-net.com(22740)\"\" \"About 
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let a = his present age
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\n" ); document.write( "in 10 years, william will be twice as old as he was 7 years ago.
\n" ); document.write( "a + 10 = 2(a-7)
\n" ); document.write( "a + 10 = 2a - 14
\n" ); document.write( "10 + 14 = 2a - a
\n" ); document.write( "a = 24 is williams age now?
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