Respuesta :

Answer:

2r+1

Step-by-step explanation:

-5r-8+9+7r= (-5r+7r)+(-8+9)

Solve:

2r+1

Hope this helps!

Answer:

[tex]2r+1[/tex]

Step-by-step explanation:

[tex]-5r-8+9+7r[/tex]

Combine like terms:

  • [tex]-5r+7r-8+9[/tex]
  • [tex]-8+9=1[/tex]
  • [tex]-5r+7r=2r[/tex]
  • [tex]2r+1[/tex]

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