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Jet001 [13]
3 years ago
8

78 = -2(m + 3) + m a)-42 b)-72 c)-84 d)-28

Mathematics
2 answers:
kolezko [41]3 years ago
7 0

Answer:

78= -2m-6+m

78= -m-6

78+6= -m

84= -m

m= -84 Answer( C)

Step-by-step explanation:


Nina [5.8K]3 years ago
5 0

Answer:

c

Step-by-step explanation:

distribute the parenthesis and simplify

78 = - 2m - 6 + m

78 = - m - 6 ( add 6 to both sides )

84 = - m ( multiply both sides by - 1 )

- 84 = m ⇒ m = - 84 → c


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3 years ago
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Ronch [10]

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Step-by-step explanation:

The data provided is as follows:

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