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Please answer with step by step
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Please answer with step by step

Please answer with step by step-example-1
User Bastes
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1 Answer

3 votes

Answer:

a

Explanation:

agree that AOB + BOC = AOC, right?

AOC = 25 = (4x - 15) + (2x + 10) solve for x first

25 = 6x - 5, now add 5 to both sides

30 = 6x divide both sides by 6, so x = 5

now substitute: BOC = 2x+10 = 10 + 10 = 20

AOB = 4x - 15 = 20 - 15 = 5

User Troels Folke
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3.8k points
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