Answer:
B. 20
Step-by-step explanation:
you have to find which number represents x, by solving both equations and seeing if the answers both match.
(20 + 80) = 100 degrees
(5 x 20) = 100 degrees
When you put 20 for x, both angles are 100 degrees.
Hope I helped answer the question:)
Answer:
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Step-by-step explanation:
