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Mathematics, 03.03.2021 22:50 abelxoconda

The sum of the measures of Angle A and Angle B is 180°. - The measure of Angle A is (4x + 12)0.

- The measure of Angle B is (15x − 3)0 .

What is the value of x?

A. x = 9
A. , , , x = 9, ,

B. x = 171
B. , , x = 171, ,

C. x = 19
C. , x = 19,

D. x = 15

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