The answer will be A. Hope it help!
Answer:
17x + 15
Step-by-step explanation:
add 10x and 7x and get 17x
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If the question is asking for X, then x = 10. Both angles combined add together to make 18x, and using geometric knowledge, both angles would add together to make 180 degrees, assuming that's a straight line. Therefore, 18x = 180.
x = 10