document.write( "Question 1140091: Charly is 5 years younger than Simon. Twenty years ago Simon was doubles Charly's age.
\n" ); document.write( "what is the equation using x to represent Charly's age.
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Algebra.Com's Answer #760573 by josgarithmetic(39620)\"\" \"About 
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x, charly's age
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\n" ); document.write( "\n" ); document.write( "Twenty years ago Simon was doubles Charly's age.\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28%28x%2B5%29-20=2%28x-20%29%29\"
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\n" ); document.write( "\n" ); document.write( "\"x%2B15=2x-40\"
\n" ); document.write( "\"15%2B40=x\"
\n" ); document.write( "\"x=55\"
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