Respuesta :

Amphitrite1040

Hey there!

-2r - r + 8

= -2r - 1r + 8

COMBINE the LIKE TERMS

= (-2r - r) + 8

= -3r + 8

Therefore, your answer is most likely:

-3r + 8

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)