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HELP ME WHATS THE VALUE OF X?

HELP ME WHATS THE VALUE OF X?-example-1
User DavidL
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1 Answer

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Answer:

Explanation:

Total sum of degrees of a Triangle is 180 deg

Than: 8x-7 + x +7 + 2x + 15 = 180

11x + 15 = 180

x = (180-15) / 11 =15

Answer: 15

User Vilanovi
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