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Please help! Thanks thO!

Please help! Thanks thO!
196k views
5 votes
Please help! Thanks thO!

Please help! Thanks thO!-example-1
User Shaybc
by
8.7k points

1 Answer

5 votes

Answer:

8

Explanation:

The sum of two interior angles in a triangle is equal to an exterior angle

7x - 4 + 9x + 4 = 128° add like terms

16x = 128 divide both sides by 16

x = 8

User Akshay Borade
by
7.8k points
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