Respuesta :

Selena328

Answer:

x = 9

Step-by-step explanation:

  • x+3 = 12
  • x+3-3 = 12-3
  • x = 9

Answer:

x=9

Step-by-step explanation:

[tex]x+3=12[/tex]

[tex]x+3-3=12-3[/tex] ( Subtract 3 from both sides)

[tex]x=9[/tex]

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