What is x equal to in this problem?

asked Nov 3, 2022 168k views

1 vote

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4 votes

Answer: x = 6

Explanation:

All angles in a triangle = 180*

9x - 11 + 80 + 57 = 180

9x + 137 = 180

9x = 54

x = 6

Plug in to see if its correct

9 (6) - 11 + 80 + 57 = 180

54 + 126 = 180

180 = 180

Oleg Shanyuk answered Nov 8, 2022

4.9k points

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