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pshichka [43]
3 years ago
11

A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9. What is the original number? A.

-4 B. -30 C. 4 D. 30
Mathematics
2 answers:
rusak2 [61]3 years ago
5 0

Answer:

The answer is c

Step-by-step explanation:

You have to do everything backwards,

-9 divide it by 3 to get -3, then add seven to that answer

zhuklara [117]3 years ago
5 0

Answer:

C

Step-by-step explanation:

You can work backward to find out the answer!

Start with -9. Instead of multiplying by 3, you can divide.

-9/3 = -3

Now, instead of decreasing -3 by 7, increase by 7.

-3+7 = 4

You get 4, which is C!

Hope this helps!

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