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Rudik [331]
3 years ago
10

Practice In the figure, a || 6. What is the value of x?

Mathematics
1 answer:
kenny6666 [7]3 years ago
8 0

Answer:

x = 40

Step-by-step explanation:

3x + 9 = 129 Alternate Exterior Angles Theorem

-9 -9

3x = 120 divide by 3

x = 40

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