document.write( "Question 893475: Karen is 6 years older than her sister Michelle, and Michelle is 2 years younger than their brother David. If the sum of their ages is 62 , how old is Michelle? \n" ); document.write( "
Algebra.Com's Answer #541332 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Karen is 6 years older than her sister Michelle,
\n" ); document.write( "k = m + 6
\n" ); document.write( ":
\n" ); document.write( " and Michelle is 2 years younger than their brother David.
\n" ); document.write( "m = d - 2
\n" ); document.write( "or
\n" ); document.write( "d = m + 2
\n" ); document.write( ":
\n" ); document.write( " If the sum of their ages is 62 , how old is Michelle?
\n" ); document.write( "k + m + d = 62
\n" ); document.write( "replace k and d
\n" ); document.write( "(m+6) + m + (m+2) = 62
\n" ); document.write( "3m + 8 = 62
\n" ); document.write( "3m = 62 - 8
\n" ); document.write( "3m = 54
\n" ); document.write( "m = 54/3
\n" ); document.write( "m = 18 yrs is M's age
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "You can confirm this yourself, find the ages of k and d, check the total
\n" ); document.write( "
\n" );