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Kaylis [27]
3 years ago
9

50 POINTS

Mathematics
1 answer:
xxMikexx [17]3 years ago
5 0

Answer:

x = 1

Step-by-step explanation:

Because ∠A and ∠B are vertical angles, they are equal hence we can write

∠A = ∠B

50x + 10 = 70x - 10

Now, you have to solve for x

subtract 50 on both sides

10 = 20x - 10

add 10 to both sides

20x = 20

divide 20 on both sides

x = 1

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