If you check out this meme you get an brainliest Give proof though
Like a pic
https://imgflip. com/gif/52l5hi

Step-by-step explanation:

I dont trust links ;o;

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.