High School

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------------------------------------------------ NEED HELP ASAPPP

What is the value of x? Identify the missing justifications.

mAOC=150

mAOB + mBOC= mAOC a.

2x+6(x-3)=150 b.

2x+6x-18=150 c.

8x-18=150 d.

8x=168 e.

x=21 f.

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Answer :

Answer:

see below

Step-by-step explanation:

AOC = AOB + BOC angle addition postulate

150 = 2x+ 6(x-3) substitution

150 = 2x+ 6x-18 Distribution property

150 = 8x-18 Combine like terms

168 =8x Addition property of equality ( we added 18 to each side)

21 = x Division property of equality( We divided each side by 8)

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