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Solve for x.

(5x - 9)°
(2x + 21)°

A. 5
B. 10
C. 22
D. 24

Solve for x. (5x - 9)° (2x + 21)° A. 5 B. 10 C. 22 D. 24-example-1

1 Answer

4 votes

Answer:

D. 24

Explanation:

5x - 9 + 2x + 21 = 180

7x + 12 = 180

7x = 168

x = 24

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