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mylen [45]
3 years ago
9

Please helppp (had to have 20 words haha)

Mathematics
1 answer:
s2008m [1.1K]3 years ago
6 0

Answer:

w==77

Step-by-step explanation:

The sum of the 2 opposite interior angles equals the exterior angle.

w-36 +w-20=w+21

combine like terms: 2w-56=w+21

subtract w from both sides: w-56=21

add 56 to both sides: <u>w=77</u>

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