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OpenStudy (anonymous):
78 = -2(m + 3) + m A. –28 B. –42 C. –72 D. –84
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OpenStudy (anonymous):
multiply out the -2 by the m and by the 3
OpenStudy (anonymous):
D
OpenStudy (anonymous):
-2(m + 3) do multiplication here and then distibute them
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