-9 - (-4)

This is for homework help :’)

-5

Step-by-step explanation:

-9 - ( -4 )

= -9 + 4

= -5

Step-by-step explanation:

-9-(-4) ( when there is a- in front of an expresion in parentheses, change the sign of each term in the expression )

-9+4 (Calculate the sum)

- 5

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.