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1 1/2d-9=12 can you help explain how to do this

1 1/2d-9=12 can you help explain how to do this-example-1

1 Answer

4 votes

Answer:

d =14

Explanation:


1(1)/(2) d -9 =12


(3)/(2) d = 12+ 9


(3)/(2) d =21


d = 21 : (3)/(2)


d = 14

User Andrew Hodgkinson
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