Plz show your work! :)

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Rds asked Aug 3, 2022

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22 votes

Plz show your work! :)

Mathematics
high-school

Rds asked Aug 3, 2022

by Rds

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1 Answer

10 votes

Answer:

x = 19

Explanation:

The sum of the three angles is 180°

So,

(5x + 4) + (x - 2) + (3x + 7) = 180

9x + 9 = 180

9x = 180-9

9x = 171

x= 171 ÷ 9

x = 19

Guidsen answered Aug 9, 2022

by Guidsen

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