jahelton jahelton

09-04-2020
Mathematics

contestada

9-(-9) How do you show your work for this question?

Respuesta :

madisonlrichmann madisonlrichmann

09-04-2020

Answer: the answer is 18

Step-by-step explanation:

It is a double negative so just show below this equation

9-(-9)

9+9. Because of double negative

18

Answer Link

laurenwilmoth05 laurenwilmoth05

09-04-2020

Since there are two subtraction symbols they turn into a plus sign. 9+9=18.

Answer Link

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