Question

Geometry thing help
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Answer 1

10

Explanation:

3x=5x-20

3*10=5*10-20

30=50-20

30=30

Answer 2

Explanation:

Since we know that the two lines are parallel because of alternate interior angles (5x-20)=3x

then solve for x

5x-20=3x

-20=-2x

x=10°