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
2 answers:
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
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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Step-by-step explanation:
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