3 years ago

Geometry thing helpaa

Mathematics

2 answers:

lisov135 [29]3 years ago

6 0

Answer:

Step-by-step explanation:

3x=5x-20

3*10=5*10-20

30=50-20

30=30

irina [24]3 years ago

5 0

Answer:

Step-by-step 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°

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