Respuesta :

Answer:

[tex]\displaystyle 2r+2[/tex]

Step-by-step explanation:

Group like terms.

[tex]\displaystyle 8r-6r+7-5[/tex]

Add numbers from left to right.

[tex]\displaystyle8-6=2[/tex]

[tex]2r+7-5[/tex]

Add and subtract numbers from left to right.

[tex]7-5=2[/tex]

[tex]\displaystyle 2r+2[/tex], which is our answer.

Hope this helps!