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Please answer and explain.
For what value of x must ABCD be a parallelogram?

Please answer and explain. For what value of x must ABCD be a parallelogram?-example-1
User Mondjunge
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1 Answer

3 votes

Answer:

x = 4

Explanation:

We can think of a parallelogram as a leaning rectangle. That means that parallel sides must be equal.

Thus:

18x - 7 = 16x + 1

2x = 8

x = 4

User Grigor Hakobyan
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