Respuesta :

HOTBFAST
2x+22 is the answer.
Sansacrasial
Correct! Your answer is B. 2x+22, here's why it is though: 
=3x+10+−x+12
=3x+10+−x+12 — Combine like terms:
=(3x+−x)+(10+12)
Answer:
=2x+22

Good luck with your studies, I hope this helps~!