lunatheunicorn00
lunatheunicorn00 lunatheunicorn00
  • 14-05-2022
  • Mathematics
contestada

Which expression is not equivalent to the other three?

Which expression is not equivalent to the other three class=

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jimthompson5910 jimthompson5910
  • 14-05-2022

Answer:  Choice B

Explanation:

Choice A simplifies to 9n-8 after combining the like terms -7n+16n to get 9n

Choice C simplifies to 9n-8 for similar reasoning. The n+8n turns into 9n

This shows choices A and C are equivalent to choice D. Choice B isn't the same because 9(n-8) = 9n-9*8 = 9n-72. Use the distributive property.

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Emorix
Emorix Emorix
  • 14-05-2022

Answer:

B. 9(n - 8)

Step-by-step explanation:

- 8 - 7n + 16n

-8 (-7n + 16n or 16n - 7n)

-8 + 9n

9n - 8

9(n - 8)

9n - 72

n - 8 + 8n

9n - 8

9n - 8

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