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Mathematics 8 Online
OpenStudy (anonymous):

4d + 9d - (7 - 6d) = 4d + 9d - 7 - 6d

OpenStudy (anonymous):

4d+9d-(7-6d)=4d+9d-7+6d=19d-7

OpenStudy (anonymous):

are you asking if there equal...or are you simplifying ?

OpenStudy (anonymous):

Simplifying

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