Answer:
d1= -d2+M
Step-by-step explanation:
you would multiply d1 and d2 by 1/2, then add negative d2/2 to each side, then divide each side by 2/1.
hope it helps
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The answer is 12:15
The only thing you have to do to get this answer is remove the zero of the number.
Use units to visualise your workings. all the best! :)
If you have 12 dollars and you buy 3 paper back books, they each cost the same amount. So you would divide 12 dollars among 3 books to get the same answer for all of them. 12 divided by 3 equals the answer.
Then if you have 28 dollars and you buy 7 paper back books, they all cost the same amount. So that would be 28 divided by 7, equals the same answer.
