Question 1067894
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<pre>
Let x be the angle measure, in degrees.


Then the condition says


2(180-x) - 5(90-x) = 126.


Can you solve this equation on your own and find x ?
</pre>


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<U>Comment from student</U>: 


<pre>
2(180-x) - 5(90-x) = 126 
360 - 2x - 450 + 5x = 126 
3x - 90 = 126 3x = 216 (sent 90 over to the right side) 
x = 72 (divided each side by 3) 

Pretty sure that's the answer. Thank you for helping me set up the initial equation! 
</pre>------------------



<U>My response</U>:  Your solution is correct. I am glad to see it.


If you want to see more similar solved problems, look in the lessons

&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> 

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


&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Points-lines-and-rays/Solved-problems-on-supplementary-and-complementary-angles-and-pairs-of-angles.lesson>Solved problems on supplementary and complementary angles</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Points-lines-and-rays/Solved-problems-on-angles-of-a-triangle.lesson>Solved problems on angles of a triangle</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Points-lines-and-rays/Solved-problems-on-angles-of-a-parallelogram.lesson>Solved problems on angles of a parallelogram</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Points-lines-and-rays/Solved-problems-on-angles-of-a-quadrilateral.lesson>Solved problems on angles of a quadrilateral</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Points-lines-and-rays/Solved-problems-on-angles-of-a-polygon.lesson>Solved problems on angles of a polygon</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Points-lines-and-rays/Solved-problems-on-missed-angle-of-a-polygon.lesson>Solved problems on missed angle of a polygon</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Points-lines-and-rays/Solved-problems-on-angles-of-a-regular-polygon.lesson>Solved problems on angles of a regular polygon</A>

in this site.


Also, &nbsp;you have this free of charge online textbook on Geometry

&nbsp;&nbsp;&nbsp;&nbsp;<A HREF=https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson>GEOMETRY - YOUR ONLINE TEXTBOOK</A> 

in this site.


The referred lessons are the part if this textbook under the topics 

"<U>Basics of angles. Supplementary, complementary angles. Vertical angles. Parallel lines</U>" and 

"<U>Finding angles of triangles, parallelograms and rectangles</U>".