Respuesta :

Vertical Angles form when we have a geometric cross.

They are EQUAL.

Thus, we can write:

[tex]\begin{gathered} \angle A=\angle B \\ 2x-4=4x-30 \\ -4+30=4x-2x \\ 26=2x \\ x=\frac{26}{2} \\ x=13 \end{gathered}[/tex]

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