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10 POINTS ALL FOR YOU IF YOU ANSWER IT
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10 POINTS ALL FOR YOU IF YOU ANSWER IT

10 POINTS ALL FOR YOU IF YOU ANSWER IT-example-1
User Naster
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1 Answer

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23 votes

Answer:

x is equal to 30

<ABC is equal to 100°

<DBC is equal to 80°

Explanation:

3x +10 +2x +20 =180

5x = 180 - 10- 20

5x = 150, divide both sides by 5

x is equal to 30

<ABC = 3x + 10 = 3 × 30 + 10 = 100°

<DBC = 180 - <ABC = 180 - 100 = 80°

User DonBoitnott
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