document.write( "Question 857828: In 5 years, i will be twice as old as i was 15 years ago. How old am I now? \n" ); document.write( "
Algebra.Com's Answer #516858 by JulietG(1812)\"\" \"About 
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X + 5 = 2(x-15)
\n" ); document.write( "Distribute
\n" ); document.write( "X + 5 = 2x - 30
\n" ); document.write( "Subtract x from each side
\n" ); document.write( "5 = x - 30
\n" ); document.write( "Add 30 to each side
\n" ); document.write( "35 = x
\n" ); document.write( ".
\n" ); document.write( "Let's prove it by putting it back into the equation.
\n" ); document.write( "In five years, you will be 40.
\n" ); document.write( "Fifteen years ago, you were 20.
\n" ); document.write( "Is 40 twice 20? yes. Success!
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