SOLUTION: In the accompanying diagram , overleftrightarrow AOB is a straight line m angle AOD=3x-12 , and m angle BOD=x What is the value of x ?

Algebra ->  Angles -> SOLUTION: In the accompanying diagram , overleftrightarrow AOB is a straight line m angle AOD=3x-12 , and m angle BOD=x What is the value of x ?      Log On


   

Question 1169310: In the accompanying diagram , overleftrightarrow AOB is a straight line m angle AOD=3x-12 , and m angle BOD=x What is the value of x ?
Answer by ikleyn(52898) About Me  (Show Source):
You can put this solution on YOUR website!
.

    (3x-12) + x = 180 degrees.


You do the rest.

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It is about the supplementary angles.

To learn about supplementary angles,  read the lessons
    - Angles basics
    - HOW TO solve problems on supplementary, complementary or vertical angles - Examples
in this site.