Respuesta :

Answer:

x - 40

Step-by-step explanation:

3[tex]x[/tex] = 120

[tex]\frac{3x}{3\\}[/tex] = [tex]\frac{120}{3}[/tex]

[tex]x[/tex] = 40

linandrew41

By the Vertical Angle theorem,

    ⇒ [tex]3x = 120[/tex] ⇒ [tex]x = 40[/tex]

  • Definition of Vertical Angle Theorem: angles that are opposite each other and formed by two intersecting straight lines, are congruent. (look at diagram)

Thus x = 40

Hope that helps!

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