Answered

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12. Find the value of x.
(11x - 151°
(5x - 13°

Sagot :

IannaB

Answer:

Step-by-step explanation:

I guess the angles are supplementary, which means they have a sum of 180º.

11x - 15 + 5x - 13 = 180

16x -28 = 180

16x = 208

x = 13

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