04-06-2021
Mathematics

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I need some help!!! I will try to give brainliest!!!

I need some help I will try to give brainliest class=

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sqdancefan sqdancefan

04-06-2021

9514 1404 393

Answer:

x = 100

Step-by-step explanation:

The two marked angles are a linear pair, so their sum is 180°.

57° +(x +23)° = 180°

x = 100 . . . . . . . . . . . . . divide by °, subtract 80

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