How do you solve this step by step

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asked Sep 26, 2018 138k views

1 Answer

Igotit · Answer 1 · 2018-10-01T16:34:12+0000

Work shown above! x = 7
To solve use the supplementary angle next to the unknown angle to find an expression for that unknown angle and use that with the expressions inside the triangle to set equal to 180 and solve for x.

hope this helps c:

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