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Quadrilateral ABCD below is a parallelogram. Use the figure to select the best answer from the choices provided. If AD = 3x + 5, AB = 7x – 3, and BC = 8x – 10, what is the value of x? Select the best answer from the choices provided. A. 2 B. 3 C. 7 D. 8

User Aftnix
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Answer: 3

Explanation:

Opposite sides of a parallelogram are congruent, so AD=BC.


3x+5=8x-10\\5=5x-1015=5x\\x=\boxed{3}

User Kazy
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