<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B%2013x%3D%20-6" id="TexFormula1" title="x^{2} + 13x= -6" alt="x^{2} + 13x= -6

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son4ous [18]

2 years ago

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Mathematics

1 answer:

HACTEHA [7]2 years ago

6 0

Answer:

Is that a magic spell??

Step-by-step explanation:

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m∠AOB = 6x + 5, m∠BOC = 4x - 2, m∠AOC = 8x + 21

AnnZ [28]

The sum of angle AOB and angle BOC is equal tot he angle of AOC so

6x+5 +4x-2 = 8x+21

10x+3=8x+21

Subtract three and 8x from both sides

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Divide by two

x=9

Hope this helped!

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