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sergiy2304 [10]
3 years ago
6

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m?

Mathematics
2 answers:
kvv77 [185]3 years ago
7 0

Answer:

B) -7m - 8 = m - 4  

D) m - 4 = -7m - 8

E) -8 - 7m = -4 + m

Solve all of the equations to see if they end up with the same result. Start with the original:

-2m - 5m - 8 = 3 + (-7) + m

-7m - 8 = -4 + m (now we know B and D and E are correct)

-7m - m - 8 = -4 + m - m

-8m - 8 = -4

-8m - 8 + 8= -4 + 8

-8m = 4

Scilla [17]3 years ago
5 0
-7m-8= m-4 is the correct answer because of order of operations and PEMDAS.
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