Respuesta :

Answer:

X=7

Step-by-step explanation:

Answer:

  • x = 7

Step-by-step explanation:

  • 3x + 7 = 28
  • => 3x = 28 - 7
  • => 3x = 21
  • => x = 7

Conclusion:

Therefore

  • x = 7.

Hoped this helped.

[tex]GeniusUser[/tex]