Question

Simplify 9 − (−4). (1 point) a −13 b −5 c 5 d 13

Answer 1

9-(-4)

Pretend that there is a -1 in front of the bracket

9-1(-4)

Mutiply the bracket by -1

(-1)(-4) = 4

9+4= 13

Answer : d 13

Answer 2

d 13

Explanation:

Subtracting means adding the opposite.

To subtract -4, you add the opposite of -4 which is 4, so you add 4.

9 - (-4) = 9 + 4 = 13

Answer: d 13