Question

- 6x +9+4x-9

I know it equals -2x but idk how to get to -2x if I do -6+4= -2 I get -2 do I just subtract 9-9=0​

Answer 1

Answer:

Yes, you are correct

Step-by-step explanation:

-2x + 9 - 9

-2x + 0

-2x