Respuesta :

mhanifa

Answer:

  • x = 5

Step-by-step explanation:

  • 11x = 90 - 7x
  • 11x + 7x = 90
  • 18x = 90
  • x = 90/18
  • x = 5
phenomenalboy

Answer:

[tex]\large\fbox{\green{\underline{x = 5}}}[/tex]

Step-by-step explanation:

90 - 7x = 11 x

90 = 11x + 7x

90 = 18 x

90 / 18 = x

x = 5

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