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)![]() ![]() You can put this solution on YOUR website! 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. \n" ); document.write( " |