The first person to give the correct answer will be marked as brainliest
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0
Answer:
3x
Mark me as brainliest
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1
Answer:
7x+20°+3x =180°
10x+20°=180°
10x=180°-20°
10x=160°
x=160°/10
x=16°
plz mark me as brainliest
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