document.write( "Question 1130585: Margarette is twice as old as Isabela. If the age of Margarette is added to half the age of Isabela, the result is 60. Whate were their ages 7 years ago? (please answer with only one variable. thanks in advance) \n" ); document.write( "
Algebra.Com's Answer #747239 by josmiceli(19441)\"\" \"About 
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Let \"+a+\" = Isabela's age now
\n" ); document.write( "\"+2a+\" = Margarette's age now
\n" ); document.write( "\"+2a+%2B+%281%2F2%29%2Aa+=+60+\"
\n" ); document.write( "------------------------------------
\n" ); document.write( "\"+4a+%2B+a+=+120+\"
\n" ); document.write( "\"+5a+=+120+\"
\n" ); document.write( "\"+a+=+24+\"
\n" ); document.write( "and
\n" ); document.write( "\"+2a+=+48+\"
\n" ); document.write( "---------------------
\n" ); document.write( "\"+24+-+7+=+17+\"
\n" ); document.write( "\"+48+-+7+=+41+\"
\n" ); document.write( "Isabela was 17
\n" ); document.write( "Margarette was 41
\n" ); document.write( "
\n" ); document.write( "
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