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3 votes
How many is?
with rocedure and testing

-7d - 5 = -5d + 1

User Bynx
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1 Answer

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-7d-5 = -5d +1

-7d+5d-5 = -5d+5d+1

-2d -5 = 1

-2d-5+5 = 1+5

-2d = 6

-2d/-2 = 6/-3

d = -3
User Per Ersson
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