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Answer :

Answer:

d=1

Step-by-step explanation:

2x1=7 is 9 :D

Hope this helps!!

YujiCgo

Answer:

D equals 1

Step-by-step explanation:

2d+7=9

minus 7 from both sides of the equation to get:

2d=2

divide 2 from both sides to get

d=1

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