7x +9y for x=-3 and y=2
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The expression which represents the side length of the square which has perimeter of 12x 52 units is 3x+12 units.
<h3>What is the perimeter of a square?</h3>The measure of the boundary of the sides of a square is called its perimeter. The perimeter of a square is 4 times the side of the square.
Here, (<em>a</em>) is the side of the square.
A square has a perimeter of 12x +52 units. The perimeter of a square is 4 times the side of the square. Thus, the side of this square is,
Thus, the expression which represents the side length of the square which has perimeter of 12x 52 units is 3x+12 units.
Learn more about the perimeter of the square here;