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Mathematics 7 Online
OpenStudy (anonymous):

Use a transformation to solve the equation. d – (–17) = –14 A. d = –31 B. d = –3 C. d = 3 D. d = 31

OpenStudy (welshfella):

recall that - ( -a) = a

OpenStudy (welshfella):

or + a

OpenStudy (anonymous):

D is my guess

OpenStudy (anonymous):

@Nnesha

OpenStudy (welshfella):

first what does -(-17) simplify to?

OpenStudy (welshfella):

- check out my first post

OpenStudy (anonymous):

+ 17

OpenStudy (welshfella):

right so we have d + 17 = -14 now subtract 17 from each side to isolate d and you have your answer

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