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Whats the answer to the question written down on the screenshot

Whats the answer to the question written down on the screenshot-example-1

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Answer:

x =39

Explanation:

First we will add all the angles together meaning 3x - 15 + 2x + 2x + 2x + 24 = 9x + 9 =360

We get 360 because a parallelogram = 360.

Next we subtract 9 on both sides which gives us

9x = 351

Next divide 9 by both sides and you get

x = 39.

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