50 POINTS! Answer the question step by step please
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Answer:
8x+12=180
8x=168
x=21
3(21)+20= 83 degrees
5(21)-8= 97 degrees
Step-by-step explanation:
5x-8 and 3x+20 are supplementary angles meaning that when added together they equal to 180 degrees. Solve for x and then use to find angle