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Olegator [25]
3 years ago
10

C) 6

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
5 0

Answer:

x=7

Step-by-step explanation:

Alternate interior angles so they are congruent. So, 13x+5=12x+12. Subtract 12x and get x+5=12. Subtract 5 and you get x=7

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