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what is the missing term in 3-9=_12? A. 4. B.5 C.6. D.7​

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C. 6

3 - 9 = n - 12

calculate the difference:

-6 = n - 12

move the terms:

-n = -12 + 6

calculate the sum:

-n = -6

change the signs:

n = 6

3 - 9 = 6 - 12

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Answer:

c. po

Step-by-step explanation:

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