Respuesta :
Answer:
-9r +9.75
Step-by-step explanation:
- 12r + 8 + 3r + 1.75
Combine like terms
- 12r + 3r + 1.75 + 8
-9r +9.75
Answer: -9r+9.75
Step-by-step explanation:
combine like terms which gives you -12r+3r=9r, and 8+1.75=9.75
therefore, -9r+9.75