Answer:
(x-1, y+6)
Step-by-step explanation:
It would change the x by -1 and the y by +6
Assignment: 
<><><><><><><>
Answer: 
<><><><><><><>
Explanation: 
<><><><><><><>
[ Step One ] Switch Sides

[ Step Two ] Add 4 To Both Sides

[ Step Three ] Simplify

[ Step Four ] Check Your Work

[ Step Five ] Question: Is Equation Correct

<><><><><><><>
Answer:
Step-by-step explanation:yes
B is the best strategy. (You mentioned an option D, but it's not shown in your question!!)
I think it’s C if you still need an answer but don’t trust me on that