The value of x is . i cant find any answers on this

The angle that is next to 9x should be 180 - 9x because it is a straight angle.

Since there are 180 degrees in an angle we can add up the values to 180 and solve for x.

180- 9x + 5x + 9 + x = 180
-3x = -9
x = 3

Hope this helped!

First, we should find the third angle in that triangle.  Since the angles form a straight line, we know they are supplementary (adding up to 180°).  Let's set it up like this:

9x + R = 180
R = 180 - 9x

Now we have the value of angle R, the third angle in the triangle.  Since all angles in a triangle add up to 180°,  we can set it up like this:

R + S + T = 180
180 - 9x + 9 + x + 5x = 180
189 - 3x = 180
-3x = -9
x = 3

The value of x is 3°.

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