Respuesta :

lastbenchstudent

Answer:

43

Step-by-step explanation:

As we know sum of all angles on a straight line is equal to 180 degree

also vertically opposite  angles are same

so we can say now

x + 90 + 47 = 180

x = 180 - 137 = 43

x = 43

amarik180
The answer is 43....

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