Plz help me on this....
WILL GIVE BRAINLIEST

Answer:
= 22x - 9
Step-by-step explanation:
To find the perimeter of a triangle, we add the three sides
P=(8x-2) + (5x-4) + (9x-3)
Combine like terms
P = 8x+5x+9x + (-2-4-3)
= 22x - 9