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19-10-2020
Mathematics

contestada

What is the value of X?
A.11
B.9
C.7
D.6

What is the value of X A11 B9 C7 D6 class=

Respuesta :

19-10-2020

Answer:

x=6

Step-by-step explanation:

10x+21x-6=180 ( straight angle)

31x=180+6

x=186/31

x=6

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