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13-03-2021
Mathematics

contestada

i don’t know how to solve someone help out

i dont know how to solve someone help out class=

Respuesta :

reeserl reeserl

13-03-2021

Answer:

x = 7

Step-by-step explanation:

You have to remember that the sum of the measures of the angles of a triangle is 180.

8x - 9 + 70 + 63 = 180

8x + 124 = 180

8x = 56

x = 7

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