Question

Which of the following has the same value as -5 - 15?

A -15 - (-5)
B-5 + 15
C-5 + (-15)
D-15 + 5

Answer 1

c; -5+(-15)

Explanation:

-5-15=-20

adding a negative number is subtraction, which means;

-5+(-15)=-20

therefore

-5-15=-20=-5+(-15)

Answer 2

C -5 + (-15)

Explanation:

-5 - 15 = -20

A -15 - (-5) = -15 + 5 = -10

B -5 + 15 = 10

C -5 + (-15) = -20

D -15 + 5 = -10