plz answer fast plzzzzz plz answer 1 and 2 questions
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2
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don't know the 1st one....
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Answer:
1. Additive Property
2.
48°+(3x+23) °+55° =180°
103°+23+3x=180°
126°+3x=180°
3x=180°-126°
3x= 54°
x=54/3
x =18°
Hope it helps you dear...
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