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lisabon 2012 [21]
2 years ago
13

Find the value of y.

Mathematics
1 answer:
Natali [406]2 years ago
7 0

Answer:

y=7

Step-by-step explanation:

The two given angels are congruent so they must be equal in measure.

Set them up equal and find y.

8y = 5y + 21, subtract 5y from both sides

8y -5y = 21, combine like terms

3y = 21, divide both sides by 3

y = 7

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