This is a translation and it is most easily done with the vertex from of the equation. change vertex to (-1,6): y=a(x+1)+6
16 is the correct answer I believe because the double negative is canceled out.
Answer:

Step-by-step explanation:
To solve, first subtract 2x from both sides.

You appear to want the solution for -y, so I've included it. Given that you also want the solution for y, divide both sides by -1.

Answer:
Close to around 225 times
Step-by-step explanation:
If the coin Shun is flipping is 2 sided the most linear anwser would be to make the prediction of it flipping on the tails side for a perfect total of 225.
Answer:
y=8x
Step-by-step explanation:
x=1 y= 8
x=2 y=16
8=m+b
16=2m+b
m=8
y=8x