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Answer :

Answer:

width = (x+4)

Step-by-step explanation:

Answer:

Width is x+4 units

Step-by-step explanation:

Since the area of a rectangle is length*width, then width=area/length:

-9 | 1  13 36

____-9 -36_

     1  4 | 0

Therefore, the width of the rectangle is x+4 units