Respuesta :

Answer:

x = 29

Step-by-step explanation:

Note that the angle sum of a triangle adds to 180 degrees. So, this gives us a neat expression for x.

3(x + 2) + 35 + 52 = 180 (angle sum of a triangle)

3x + 6 + 35 + 52 = 180

3x + 93 = 180

3x = 87

x = 29.

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