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I need help figuring out how to solve this

I need help figuring out how to solve this-example-1
User Kevork
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1 Answer

7 votes
142º is a corresponding angle to 20x + 2, so they equal each other.
20x + 2 = 142, when you solve for x, you get x = 7. Plug x = 7 into the equation and you get 142º as the angle.
User Etina
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