Question

Question
Evaluate the expression when a=4, b=−5, and c=−8.
a+b=
???

Answer 1

-1

Explanation:

a = 4

b = -5

4 + -5 = -1 ( +- turns to -)

Answer 2

a+b= (-1)

Explanation:

4+(-5)=

4-5= (-1)