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Adones5104
28.05.2021 •
Mathematics
What is the value of x
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Ответ:
C. x = 20
Step-by-step explanation:
The sum of a triangles angles are 180 degrees, given that we can add all the angles together and set them equal to 180.
(x)+(7x-5)+(x+5)=180
Now simplify
9x=180
Divide 9 from both sides to find the value of x
x=20.
Ответ: