Hello, I’m not super sure about the last part but to get 1 divide 20 by 20 and then from 1 multiply by 12 to get 12. I hope this helps :)
Answer:
4y - x = 20
Step-by-step explanation:
y-y1 = m (x-x1)
y - 6 = 1/4 (x - 4)
4y - 24 = x - 4
4y - x = 20
All right, I keep doing these, yet you keep asking, why?
The given question is

Multiplying and divide by 2

Again multiplying and dividing by 2

And

So we will get

Correct option is D