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Mathematics, 11.03.2021 22:30 maelonramirez

N quadrilateral ABCD, AD ∥ BC. Quadrilateral A B C D is shown. Sides A D and B C are parallel. The length of A D is 3 x + 7 and the length of B C is 5 x minus 9.

What must the length of segment AD be for the quadrilateral to be a parallelogram?

8 units
16 units
31 units
62 units

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