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dolphi86 [110]
3 years ago
12

What does x= What does x=

Mathematics
1 answer:
tiny-mole [99]3 years ago
4 0

Answer:

12

Step-by-step explanation:

the angles of a triangle all add up to 180

thus, we can combine every term given and set them equal to 180 and solve for x

9x + 72 = 180 \\ 180 - 72 = 108 \\ 108 \div 9 = 12

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Step-by-step explanation:

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