Answer:
Okay, but I can't see the paper that well
Step-by-step explanation:
You should see if photomath can help u with that
<em>Assuming the question is:</em>

we need to solve for d.
We keep "d" to one side and simplify the other side for a formula for d. Shown below:
<span>If a player </span>moves a knight from the location (3, 2) to (5, 1) on a chessboard the translation made is 2 squares up, 1 square left.
If the player moves the knight from (5, 1) to (6, 3), the translation made is <span>2 squares right, 1 square up.</span>
D is the answer my friend