What is the value of the expression –12 – 3 + 9?

a.
–15

b.
–6

c.
0

d.
22

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

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.