Respuesta :

2x+1+71=180
2x+72=180
2x=180-72
2x=108
x=54
RubySun

answer ;

  • 2x + 1 + 71 = 180
  • 2x + 72 = 180
  • 2x = 180 - 72 = 108
  • x = 108/2

( refer the attachment for division )

  • hence , x = 54
Ver imagen RubySun