Respuesta :

Answer:

Angles of a triangle add up to 180 degrees.

So, if we add up all three of the angles of this triangle, we should have a sum of 180 degrees.

4x-10+x+26+x+14=180

4x-10+2x+40=180

6x+30=180

6x=150

x=25

Let me know if this helps!

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