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4 votes
If a = -9 and b = -4, what is the value of a + b?

-5
5
13
-13

User Adjoa
by
8.3k points

2 Answers

1 vote

Answer:

The value is D, -13

Explanation:

We know that a is equal to -9, and b equals -4. Let's substitute these values into a + b.

The equation becomes:

-9 + -4

Then we simplify...

-9 + -4 = -9 - 4 = -13

That means the answer is D, -13. Hope this helps!

User Jaimie Sirovich
by
8.9k points
3 votes

Answer:

a+b

-9+(-4)

-9-4

-13

therefore -13 is the answer

User Caesium
by
7.8k points