Respuesta :

fieryanswererft

Answer:

x = 20°

explanation:

  • Both the pair sides are parallel to each other.
  • The whole sums up to total 360°

Steps:

  • 2(7x + x + 20°) = 360°
  • 8x + 20° = 180°
  • 8x = 160°
  • x = 20°
Avcad0rable

[tex]\qquad\huge\underline{\sf Answer}[/tex]

  • x = 20

Explanation :-

  • 7x + ( x + 20 ) = 180
  • 8x + 20 = 180

now , subtract 20 from both sides which will give you, 160

  • 8x = 180 - 20
  • 8x = 160

divide both sides by 8

  • x = 20

Hope it helps ~