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musiclover10045

The 2 angles given are vertical angles, which mean they are the same.

So we have: 3x +1 = 64


Subtract 1 from each side:

3x = 63

Divide both sides by 3:

X = 63 / 3

X = 21


The answer is A.

uwubailey
A. 64=(3x+1)
subtract one from both sides and then divide by 3