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D – 10 – 2d + 7 = 8 + d – 10 – 3d

d = –5
d = –1
d = 1
d = 5

User Tarek Badr
by
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1 Answer

3 votes

Answer:

d=1

Explanation:

(i have to write this cuz i cant write less than 20 words)

User Sanjaya
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