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15-10-2020
Mathematics

contestada

What does x=
What does x=

What does x What does x class=

Respuesta :

15-10-2020

Answer:

12

Step-by-step explanation:

the angles of a triangle all add up to 180

thus, we can combine every term given and set them equal to 180 and solve for x

[tex]9x + 72 = 180 \\ 180 - 72 = 108 \\ 108 \div 9 = 12[/tex]

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