Question 1169308
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<pre>

The angles AEC and DEB are vertical and, therefore, are congruent.


It means that you need to solve this equation


    2x - 6 = 6x - 50.


You do the rest.
</pre>

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On vertical angles, see the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Angles/Angles-basics.lesson>Angles basics</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Angles/Vertical-Angles-.lesson>Vertical angles</A> 

in this site.


Consider these lessons as your handbook, &nbsp;textbook, &nbsp;guide, &nbsp;tutorials and &nbsp;(free of charge) &nbsp;home teacher.