document.write( "Question 451332: aunt jane is 31 years old. Her daughter is 13 year old. How many years ago was Aunt Jne 3 times as old as her daughter \n" ); document.write( "
Algebra.Com's Answer #312196 by richwmiller(17219)\"\" \"About 
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31-x=3(13-x)
\n" ); document.write( "31-x=39-3x
\n" ); document.write( "2x=8
\n" ); document.write( "x=4 years ago
\n" ); document.write( "check
\n" ); document.write( "31-4=3*(13-4)
\n" ); document.write( "27=3*9
\n" ); document.write( "27=27
\n" ); document.write( "ok
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