Please explain I will give BRAINLIEST!!!!!!

y = 7 which you subtract from 2x which means 2 times x so you use all of those as the value of 2 to see what the answer would be after you multiply it by 2
Answer:
Step-by-step explanation:
x y
2 3
-1 9
5 -3
0 7
X values pair with y values
Plug in x to get a y
for example plug in 2 to get 7-4=3