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10-12-2020
Mathematics

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Respuesta :

camillecosato camillecosato

10-12-2020

Answer:

x=6

12x+3 = 75

11x+9 = 75

Step-by-step explanation:

12x+3 = 11x+9 (they are corresponding angles, so they are congruent)

x+3 = 9

x=6

12x+3

12(6)+3

72+3

75

11x+9

11(6)+9

66+9

75

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