document.write( "Question 321921: Sol is twice as old as Lee. The sum of their ages seven years ago was 13. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #230452 by mananth(16946)\"\" \"About 
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let lee be x years
\n" ); document.write( "Sol is 2x years
\n" ); document.write( "..
\n" ); document.write( "7 years ago
\n" ); document.write( "Lee was x-7 years
\n" ); document.write( "Sol was 2x-7 years
\n" ); document.write( "Their sum was 13
\n" ); document.write( "x-7+2x-7=13
\n" ); document.write( "3x=13+14
\n" ); document.write( "3x=27
\n" ); document.write( "x=9
\n" ); document.write( "Lee is 9 years
\n" ); document.write( "Sol is 2x = 18 years
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