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Can someone help me on this

Can someone help me on this-example-1

1 Answer

4 votes

Answer:

16 degrees

Explanation:

first: 180 - 10x+10

190-10x

180 = 50 + 5x + 20 + (190-10x)

180 - 50 - 20 - 190 = 5x - 10x

-80 = -5x

16 = x

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