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Arisa [49]
3 years ago
9

Geometry math question no Guessing and Please show work thank you

Mathematics
1 answer:
nataly862011 [7]3 years ago
6 0

If two lines are parallel and a transversal passes through them , then alternate interior angles are equal.

So here we have

3x+15=5x-5

5x-3x=15+5

2x=20

x=20/2=10

so option A . 10 is correct

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