Determine if (6,-10) is a solution for the system of equations. -2x - 5y = -10

4x + 2y = -28

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm