PLEASE HELP FAST!!!! Which could be the first in solving the equation represented by the model below?

Which one?
A. Add 4 positive unit tiles to each side
B. Remove 4 unit tiles from each side
C. Add 6 positive unit tiles to each side
D. Remove 6 unit tiles from each side

PLEASE HELP FAST Which could be the first in solving the equation represented by the model below Which one A Add 4 positive unit tiles to each side B Remove 4 u class=