document.write( "Question 560817: debbie's age is 66, which is 12 less than 6 times donalds's age. how old is donald?
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Algebra.Com's Answer #364200 by Maths68(1474)\"\" \"About 
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debbie's age is 66, which is 12 less than 6 times donalds's age. how old is donald?\r
\n" ); document.write( "\n" ); document.write( "Let
\n" ); document.write( "Present age of Donald = d
\n" ); document.write( "Given
\n" ); document.write( "Debbie's age = 66\r
\n" ); document.write( "\n" ); document.write( "Debbie's age = 6d-12
\n" ); document.write( "66=6d-12
\n" ); document.write( "66+12=6d
\n" ); document.write( "78=6d
\n" ); document.write( "78/6=6d/6
\n" ); document.write( "13=d
\n" ); document.write( "d=13\r
\n" ); document.write( "\n" ); document.write( "Donald is 13 years old.
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