SkittlesandStarburst
SkittlesandStarburst SkittlesandStarburst
  • 23-11-2020
  • Mathematics
contestada

this is from khan academy and the question is in the image below.

this is from khan academy and the question is in the image below class=

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Saffrons
Saffrons Saffrons
  • 23-11-2020

Answer:

The answer is supposed to be -9, not 9.

Step-by-step explanation:

In step 2, when you are adding a negative plus a negative (-4 + -5) it should always come out a negative. So, step 3 should come out as -9 instead of 9.  

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